0/0x4d0
[  239.138098]  ? lock_downgrade+0x900/0x900
[  239.142277]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  239.147410]  ? pvclock_read_flags+0x160/0x160
[  239.151929]  ? lapic_next_event+0x5a/0x90
[  239.156133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.161719]  ? kvm_clock_read+0x18/0x30
[  239.165727]  ? kvm_sched_clock_read+0x9/0x20
[  239.170161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.175739]  ? check_preemption_disabled+0x48/0x280
[  239.180814]  irq_exit+0x17f/0x1c0
[  239.184284]  smp_apic_timer_interrupt+0x1cb/0x760
[  239.189139]  ? smp_reschedule_interrupt+0x109/0x650
[  239.194185]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.200096]  ? interrupt_entry+0xb5/0xc0
[  239.204196]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.209247]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.214317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.219174]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.224197]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.229233]  ? task_prio+0x50/0x50
[  239.232782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.238355]  ? check_preemption_disabled+0x48/0x280
[  239.243423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.248316]  apic_timer_interrupt+0xf/0x20
[  239.252619]  </IRQ>
[  239.254914] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  239.259878] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  239.278814] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  239.286571] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  239.293883] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  239.301186] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  239.308482] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  239.315794] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  239.323162]  skb_clone+0x1bb/0x500
[  239.326721]  ? finish_task_switch+0x1b4/0x910
[  239.331247]  ? skb_split+0x11e0/0x11e0
[  239.335190]  ? preempt_notifier_register+0x200/0x200
[  239.340318]  ? __switch_to_asm+0x34/0x70
[  239.344403]  ? __switch_to_asm+0x34/0x70
[  239.348478]  ? __switch_to_asm+0x40/0x70
[  239.352550]  ? __switch_to_asm+0x34/0x70
[  239.356624]  ? __switch_to_asm+0x40/0x70
[  239.360691]  ? __switch_to_asm+0x34/0x70
[  239.364756]  ? __switch_to_asm+0x40/0x70
[  239.368825]  ? __switch_to_asm+0x34/0x70
[  239.372908]  ? __switch_to_asm+0x34/0x70
[  239.376975]  ? __switch_to_asm+0x40/0x70
[  239.381054]  ? __switch_to_asm+0x34/0x70
[  239.385171]  bpf_clone_redirect+0xb9/0x490
[  239.389444]  ? __schedule+0x8d7/0x21d0
[  239.393346]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  239.398381]  ? __sched_text_start+0x8/0x8
[  239.402547]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  239.407154]  ? retint_kernel+0x2d/0x2d
[  239.411062]  ? trace_hardirqs_on_caller+0xc0/0x310
[  239.416023]  ? find_held_lock+0x36/0x1c0
[  239.420125]  ? lock_acquire+0x1ed/0x520
[  239.424115]  ? bpf_test_run+0x3cb/0x780
[  239.428125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.433691]  ? check_preemption_disabled+0x48/0x280
[  239.438726]  ? kasan_check_read+0x11/0x20
[  239.442896]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.448206]  ? rcu_softirq_qs+0x20/0x20
[  239.452190]  ? preempt_schedule+0x4d/0x60
[  239.456352]  ? ___preempt_schedule+0x16/0x18
[  239.460799]  ? bpf_test_run+0x25d/0x780
[  239.464801]  ? netlink_diag_dump+0x2a0/0x2a0
[  239.469242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.474804]  ? bpf_test_init.isra.10+0x70/0x100
[  239.479516]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  239.484318]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  239.489185]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  239.494731]  ? fput+0x130/0x1a0
[  239.498013]  ? __bpf_prog_get+0x9b/0x290
[  239.502102]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  239.506951]  ? bpf_prog_test_run+0x130/0x1a0
[  239.511372]  ? __x64_sys_bpf+0x3d8/0x520
[  239.515448]  ? bpf_prog_get+0x20/0x20
[  239.519297]  ? do_syscall_64+0x1b9/0x820
[  239.523385]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  239.528793]  ? syscall_return_slowpath+0x5e0/0x5e0
[  239.533742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.538613]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.543664]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  239.548724]  ? prepare_exit_to_usermode+0x291/0x3b0
[  239.553768]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.558640]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  239.564037] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  239.564155] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.571008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.571021] Call Trace:
[  239.577690] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.586905]  <IRQ>
[  239.589522] syz-executor3 cpuset=syz3 mems_allowed=0
[  239.600026]  dump_stack+0x244/0x39d
[  239.611004]  ? dump_stack_print_info.cold.1+0x20/0x20
[  239.616222]  warn_alloc.cold.116+0xb7/0x1bd
[  239.620573]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.625448]  ? lock_downgrade+0x900/0x900
[  239.629616]  ? trace_hardirqs_off+0xb8/0x310
[  239.634051]  ? trace_hardirqs_off+0xb8/0x310
[  239.638514]  __alloc_pages_slowpath+0x26e8/0x2e10
[  239.643423]  ? warn_alloc+0x120/0x120
[  239.647273]  ? print_usage_bug+0xc0/0xc0
[  239.651377]  ? warn_alloc+0x120/0x120
[  239.655225]  ? warn_alloc+0x120/0x120
[  239.659061]  ? print_usage_bug+0xc0/0xc0
[  239.663174]  ? print_usage_bug+0xc0/0xc0
[  239.667259]  ? __lock_acquire+0x62f/0x4c20
[  239.671550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.677123]  ? should_fail+0x22d/0xd01
[  239.681032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.686150]  ? __lock_acquire+0x62f/0x4c20
[  239.690426]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.695559]  ? __lock_acquire+0x62f/0x4c20
[  239.699808]  ? should_fail+0x22d/0xd01
[  239.703729]  ? find_held_lock+0x36/0x1c0
[  239.707821]  ? mark_held_locks+0x130/0x130
[  239.712105]  ? mark_held_locks+0x130/0x130
[  239.716382]  ? zap_class+0x640/0x640
[  239.720132]  ? zap_class+0x640/0x640
[  239.723878]  ? print_usage_bug+0xc0/0xc0
[  239.727974]  ? do_raw_spin_unlock+0xa7/0x330
[  239.732411]  ? zap_class+0x640/0x640
[  239.736144]  ? print_usage_bug+0xc0/0xc0
[  239.740225]  ? wq_watchdog_touch+0x9c/0xfe
[  239.744502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.750100]  ? check_preemption_disabled+0x48/0x280
[  239.755155]  ? __lock_is_held+0xb5/0x140
[  239.759259]  __alloc_pages_nodemask+0xa80/0xde0
[  239.763990]  ? zap_class+0x640/0x640
[  239.767730]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  239.772765]  ? find_held_lock+0x36/0x1c0
[  239.776847]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.781550]  ? lock_downgrade+0x900/0x900
[  239.785743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.791338]  cache_grow_begin+0xa5/0x8c0
[  239.795461]  ? do_raw_spin_unlock+0xa7/0x330
[  239.799950]  fallback_alloc+0x204/0x2e0
[  239.803980]  ____cache_alloc_node+0x1c7/0x1e0
[  239.808519]  kmem_cache_alloc_node+0xe3/0x730
[  239.813051]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.817351]  __alloc_skb+0x119/0x770
[  239.821103]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.826441]  ? netdev_alloc_frag+0x1f0/0x1f0
[  239.830911]  ? lock_downgrade+0x900/0x900
[  239.835178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.840757]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.846255]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.851755]  ? addrconf_rs_timer+0x690/0x690
[  239.856241]  ndisc_alloc_skb+0x144/0x340
[  239.860373]  ndisc_send_rs+0x331/0x6e0
[  239.864298]  addrconf_rs_timer+0x314/0x690
[  239.868564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.872831]  call_timer_fn+0x272/0x920
[  239.876764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.881020]  ? process_timeout+0x40/0x40
[  239.885123]  ? mark_held_locks+0xc7/0x130
[  239.889308]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.893813]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.898323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.902580]  ? lockdep_hardirqs_on+0x296/0x5b0
[  239.907181]  ? trace_hardirqs_on+0xbd/0x310
[  239.911519]  ? kasan_check_read+0x11/0x20
[  239.915675]  ? __run_timers+0x7da/0xc70
[  239.919658]  ? trace_hardirqs_off_caller+0x310/0x310
[  239.924781]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.929031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.933285]  __run_timers+0x7e5/0xc70
[  239.937134]  ? timer_fixup_init+0x70/0x70
[  239.941300]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  239.946339]  ? zap_class+0x640/0x640
[  239.950065]  ? print_usage_bug+0xc0/0xc0
[  239.954169]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  239.959412]  ? find_held_lock+0x36/0x1c0
[  239.963488]  ? zap_class+0x640/0x640
[  239.967240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.972806]  ? check_preemption_disabled+0x48/0x280
[  239.977851]  ? __lock_is_held+0xb5/0x140
[  239.981941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.987497]  ? check_preemption_disabled+0x48/0x280
[  239.992538]  run_timer_softirq+0x52/0xb0
[  239.996612]  ? rcu_read_lock_sched_held+0x14f/0x180
[  240.001669]  __do_softirq+0x308/0xb7e
[  240.005490]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  240.010019]  ? lock_downgrade+0x900/0x900
[  240.014194]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  240.019327]  ? pvclock_read_flags+0x160/0x160
[  240.023861]  ? lapic_next_event+0x5a/0x90
[  240.028028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.033581]  ? kvm_clock_read+0x18/0x30
[  240.037576]  ? kvm_sched_clock_read+0x9/0x20
[  240.042019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.047590]  ? check_preemption_disabled+0x48/0x280
[  240.052664]  irq_exit+0x17f/0x1c0
[  240.056138]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.061008]  ? smp_reschedule_interrupt+0x109/0x650
[  240.066035]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.071924]  ? interrupt_entry+0xb5/0xc0
[  240.075992]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.081032]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.086198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.091088]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.096129]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.101182]  ? task_prio+0x50/0x50
[  240.104750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.110306]  ? check_preemption_disabled+0x48/0x280
[  240.115358]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.120224]  apic_timer_interrupt+0xf/0x20
[  240.124462]  </IRQ>
[  240.126715] RIP: 0010:dump_stack+0x358/0x39d
[  240.131154] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  240.150095] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  240.157839] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  240.165150] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  240.172446] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  240.179744] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  240.187042] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  240.194380]  ? dump_stack+0x34f/0x39d
[  240.198225]  ? dump_stack_print_info.cold.1+0x20/0x20
[  240.203451]  ? mark_held_locks+0x130/0x130
[  240.207707]  ? mark_held_locks+0x130/0x130
[  240.211954]  dump_header+0x27b/0xf72
[  240.215710]  ? pagefault_out_of_memory+0x197/0x197
[  240.220686]  ? __lock_acquire+0x62f/0x4c20
[  240.224946]  ? percpu_ref_get_many+0x240/0x240
[  240.229587]  ? print_usage_bug+0xc0/0xc0
[  240.233706]  ? zap_class+0x640/0x640
[  240.237471]  ? print_usage_bug+0xc0/0xc0
[  240.241577]  ? print_usage_bug+0xc0/0xc0
[  240.245726]  ? zap_class+0x640/0x640
[  240.249498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.255135]  ? find_held_lock+0x36/0x1c0
[  240.259323]  ? mark_held_locks+0xc7/0x130
[  240.263553]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  240.268717]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  240.273883]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  240.278511]  ? trace_hardirqs_on+0xbd/0x310
[  240.282866]  ? kasan_check_read+0x11/0x20
[  240.287039]  ? ___ratelimit+0x3b4/0x672
[  240.291044]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.296183]  ? trace_hardirqs_on+0x310/0x310
[  240.300602]  ? lock_downgrade+0x900/0x900
[  240.304781]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.309908]  ? ___ratelimit+0x3b9/0x672
[  240.313909]  ? idr_get_free+0xf70/0xf70
[  240.318414]  ? find_held_lock+0x36/0x1c0
[  240.322510]  oom_kill_process.cold.27+0x10/0x903
[  240.327293]  ? zap_class+0x640/0x640
[  240.331031]  ? check_preemption_disabled+0x48/0x280
[  240.336061]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.341012]  ? kasan_check_read+0x11/0x20
[  240.345190]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.350472]  ? oom_evaluate_task+0x540/0x540
[  240.354923]  ? find_held_lock+0x36/0x1c0
[  240.359000]  ? out_of_memory+0x974/0x1430
[  240.363170]  ? lock_downgrade+0x900/0x900
[  240.367334]  ? check_preemption_disabled+0x48/0x280
[  240.372394]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.377342]  ? kasan_check_read+0x11/0x20
[  240.381508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.386814]  ? rcu_softirq_qs+0x20/0x20
[  240.390816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.396379]  ? oom_evaluate_task+0x302/0x540
[  240.400814]  out_of_memory+0xa84/0x1430
[  240.404839]  ? oom_killer_disable+0x3a0/0x3a0
[  240.409356]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  240.414329]  ? __ww_mutex_check_waiters+0x160/0x160
[  240.419397]  __alloc_pages_slowpath+0x2354/0x2e10
[  240.424299]  ? warn_alloc+0x120/0x120
[  240.428145]  ? mark_held_locks+0x130/0x130
[  240.432407]  ? find_get_entry+0xaae/0x1120
[  240.436661]  ? filemap_map_pages+0x1a20/0x1a20
[  240.441259]  ? zap_class+0x640/0x640
[  240.445024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.450750]  ? check_preemption_disabled+0x48/0x280
[  240.455776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.461321]  ? should_fail+0x22d/0xd01
[  240.465249]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.470365]  ? zap_class+0x640/0x640
[  240.474127]  ? __lock_is_held+0xb5/0x140
[  240.478208]  ? mark_held_locks+0x130/0x130
[  240.482450]  ? lock_release+0xa00/0xa00
[  240.486437]  ? perf_trace_sched_process_exec+0x860/0x860
[  240.491909]  ? xa_load+0x2ba/0x460
[  240.495477]  ? lock_downgrade+0x900/0x900
[  240.499637]  ? __might_sleep+0x95/0x190
[  240.503639]  __alloc_pages_nodemask+0xa80/0xde0
[  240.508329]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  240.513365]  ? __page_cache_alloc+0x191/0x5c0
[  240.517890]  ? xa_load+0x2e1/0x460
[  240.521440]  ? xa_clear_mark+0x40/0x40
[  240.525345]  ? zap_class+0x640/0x640
[  240.529098]  ? zap_class+0x640/0x640
[  240.532832]  ? zap_class+0x640/0x640
[  240.536554]  ? __do_page_cache_readahead+0x663/0x810
[  240.541676]  ? find_held_lock+0x36/0x1c0
[  240.545750]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  240.551307]  alloc_pages_current+0x173/0x350
[  240.555749]  __page_cache_alloc+0x38c/0x5c0
[  240.560090]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.565061]  ? kasan_check_read+0x11/0x20
[  240.569241]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.574532]  ? generic_perform_write+0x6a0/0x6a0
[  240.579313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.584864]  ? check_preemption_disabled+0x48/0x280
[  240.589907]  filemap_fault+0x1595/0x25f0
[  240.594013]  ? __lock_page_or_retry+0xa00/0xa00
[  240.598692]  ? mark_held_locks+0x130/0x130
[  240.602955]  ? filemap_map_pages+0xd6b/0x1a20
[  240.607475]  ? lock_downgrade+0x900/0x900
[  240.611638]  ? check_preemption_disabled+0x48/0x280
[  240.616667]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.621606]  ? kasan_check_read+0x11/0x20
[  240.625765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.631110]  ? rcu_softirq_qs+0x20/0x20
[  240.635119]  ? filemap_map_pages+0xd92/0x1a20
[  240.639644]  ? find_get_entries_tag+0x1400/0x1400
[  240.644510]  ? debug_object_destroy+0x2b0/0x2b0
[  240.649193]  ? lock_pi_update_atomic+0x150/0x150
[  240.653955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.659511]  ? lock_acquire+0x1ed/0x520
[  240.663499]  ? ext4_filemap_fault+0x7a/0xad
[  240.667830]  ? lock_release+0xa00/0xa00
[  240.671807]  ? perf_trace_sched_process_exec+0x860/0x860
[  240.677284]  ? print_usage_bug+0xc0/0xc0
[  240.681355]  ? print_usage_bug+0xc0/0xc0
[  240.685432]  ? down_read+0x8d/0x120
[  240.689065]  ? ext4_filemap_fault+0x7a/0xad
[  240.693445]  ? __down_interruptible+0x700/0x700
[  240.698144]  ext4_filemap_fault+0x82/0xad
[  240.702310]  __do_fault+0x100/0x6b0
[  240.705991]  ? pmd_devmap_trans_unstable+0x220/0x220
[  240.711153]  ? mark_held_locks+0x130/0x130
[  240.715404]  ? mark_held_locks+0x130/0x130
[  240.719668]  ? debug_smp_processor_id+0x1c/0x20
[  240.724355]  ? perf_trace_lock+0x14d/0x7a0
[  240.728617]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  240.734261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.739816]  __handle_mm_fault+0x3ea0/0x5be0
[  240.744262]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  240.749124]  ? lock_is_held_type+0x210/0x210
[  240.753552]  ? file_remove_privs+0x540/0x540
[  240.757989]  ? zap_class+0x640/0x640
[  240.761715]  ? zap_class+0x640/0x640
[  240.765432]  ? __x64_sys_futex+0x53e/0x6a0
[  240.769689]  ? find_held_lock+0x36/0x1c0
[  240.773765]  ? handle_mm_fault+0x42a/0xc70
[  240.778016]  ? lock_downgrade+0x900/0x900
[  240.782178]  ? check_preemption_disabled+0x48/0x280
[  240.787213]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.792150]  ? kasan_check_read+0x11/0x20
[  240.796353]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.801643]  ? rcu_softirq_qs+0x20/0x20
[  240.805620]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.810732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.816281]  ? check_preemption_disabled+0x48/0x280
[  240.821314]  handle_mm_fault+0x54f/0xc70
[  240.825387]  ? __handle_mm_fault+0x5be0/0x5be0
[  240.829975]  ? find_vma+0x34/0x190
[  240.833527]  __do_page_fault+0x5e8/0xe60
[  240.837614]  ? trace_hardirqs_off+0xb8/0x310
[  240.842049]  do_page_fault+0xf2/0x7e0
[  240.845880]  ? vmalloc_sync_all+0x30/0x30
[  240.850030]  ? error_entry+0x70/0xd0
[  240.853784]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.858808]  ? trace_hardirqs_on_caller+0xc0/0x310
[  240.863743]  ? syscall_return_slowpath+0x5e0/0x5e0
[  240.868677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.873542]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.878571]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.884039]  ? prepare_exit_to_usermode+0x291/0x3b0
[  240.889065]  ? page_fault+0x8/0x30
[  240.892642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.897490]  ? page_fault+0x8/0x30
[  240.901036]  page_fault+0x1e/0x30
[  240.904493] RIP: 0033:0x40f9c0
[  240.907709] Code: Bad RIP value.
[  240.911110] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  240.916485] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  240.923753] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  240.931023] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  240.938302] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  240.945593] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  240.952898] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  240.952904] warn_alloc_show_mem: 1 callbacks suppressed
[  240.952911] Mem-Info:
[  240.960129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.965509] active_anon:50082 inactive_anon:201 isolated_anon:0
[  240.965509]  active_file:11 inactive_file:13 isolated_file:0
[  240.965509]  unevictable:0 dirty:0 writeback:0 unstable:0
[  240.965509]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  240.965509]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  240.965509]  free:13738 free_pcp:300 free_cma:0
[  240.967879] Call Trace:
[  240.977288] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  241.010171]  <IRQ>
[  241.012780] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  241.040307]  dump_stack+0x244/0x39d
[  241.042448] lowmem_reserve[]: 0 2818 6321 6321
[  241.068593]  ? dump_stack_print_info.cold.1+0x20/0x20
[  241.072210] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  241.076800]  warn_alloc.cold.116+0xb7/0x1bd
[  241.081950] lowmem_reserve[]: 0 0 3503 3503
[  241.109590]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.113889] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  241.118211]  ? lock_downgrade+0x900/0x900
[  241.123019] lowmem_reserve[]: 0 0 0 0
[  241.151931]  ? trace_hardirqs_off+0xb8/0x310
[  241.156052] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  241.159876]  ? trace_hardirqs_off+0xb8/0x310
[  241.164252] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  241.177789]  __alloc_pages_slowpath+0x26e8/0x2e10
[  241.182166] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  241.197332]  ? warn_alloc+0x120/0x120
[  241.202143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  241.216727]  ? print_usage_bug+0xc0/0xc0
[  241.220550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  241.229402]  ? warn_alloc+0x120/0x120
[  241.233442] 268 total pagecache pages
[  241.242054]  ? warn_alloc+0x120/0x120
[  241.245856] 0 pages in swap cache
[  241.249687]  ? print_usage_bug+0xc0/0xc0
[  241.253461] Swap cache stats: add 0, delete 0, find 0/0
[  241.256909]  ? kvm_clock_read+0x18/0x30
[  241.260954] Free swap  = 0kB
[  241.266315]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  241.270263] Total swap = 0kB
[  241.273311]  ? print_usage_bug+0xc0/0xc0
[  241.278310] 1965979 pages RAM
[  241.281348]  ? __lock_acquire+0x62f/0x4c20
[  241.285394] 0 pages HighMem/MovableOnly
[  241.288495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.292707] 342853 pages reserved
[  241.296704]  ? should_fail+0x22d/0xd01
[  241.302229] 0 pages cma reserved
[  241.305689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.309629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.312933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.318334] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.324718]  ? __lock_acquire+0x62f/0x4c20
[  241.329814] syz-fuzzer cpuset=/ mems_allowed=0
[  241.340245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.354178]  ? __lock_acquire+0x62f/0x4c20
[  241.358440]  ? should_fail+0x22d/0xd01
[  241.362354]  ? rcu_irq_exit+0x1a2/0x390
[  241.366364]  ? mark_held_locks+0x130/0x130
[  241.370634]  ? mark_held_locks+0x130/0x130
[  241.374913]  ? mark_held_locks+0xc7/0x130
[  241.379103]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  241.384159]  ? zap_class+0x640/0x640
[  241.387912]  ? print_usage_bug+0xc0/0xc0
[  241.392015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.397596]  ? check_preemption_disabled+0x48/0x280
[  241.402669]  ? __lock_is_held+0xb5/0x140
[  241.406771]  __alloc_pages_nodemask+0xa80/0xde0
[  241.411475]  ? zap_class+0x640/0x640
[  241.415264]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  241.420332]  ? find_held_lock+0x36/0x1c0
[  241.424435]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.429146]  ? lock_downgrade+0x900/0x900
[  241.433337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.438914]  cache_grow_begin+0xa5/0x8c0
[  241.443011]  ? do_raw_spin_unlock+0xa7/0x330
[  241.447465]  fallback_alloc+0x204/0x2e0
[  241.451485]  ____cache_alloc_node+0x1c7/0x1e0
[  241.456019]  kmem_cache_alloc_node+0xe3/0x730
[  241.460556]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.464843]  __alloc_skb+0x119/0x770
[  241.468591]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.474010]  ? netdev_alloc_frag+0x1f0/0x1f0
[  241.478458]  ? lock_downgrade+0x900/0x900
[  241.482647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.488209]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.493716]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.499208]  ? addrconf_rs_timer+0x690/0x690
[  241.503655]  ndisc_alloc_skb+0x144/0x340
[  241.507730]  ndisc_send_rs+0x331/0x6e0
[  241.511667]  addrconf_rs_timer+0x314/0x690
[  241.515935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.520219]  call_timer_fn+0x272/0x920
[  241.524142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.528422]  ? process_timeout+0x40/0x40
[  241.532532]  ? __run_timers+0x7da/0xc70
[  241.536553]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.541095]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.545636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.549915]  ? lockdep_hardirqs_on+0x296/0x5b0
[  241.554532]  ? trace_hardirqs_on+0xbd/0x310
[  241.558903]  ? kasan_check_read+0x11/0x20
[  241.563102]  ? __run_timers+0x7da/0xc70
[  241.567118]  ? trace_hardirqs_off_caller+0x310/0x310
[  241.572277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.576575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.580849]  __run_timers+0x7e5/0xc70
[  241.584705]  ? timer_fixup_init+0x70/0x70
[  241.588891]  ? kasan_check_read+0x11/0x20
[  241.593080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.598426]  ? rcu_softirq_qs+0x20/0x20
[  241.602453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.608037]  ? check_preemption_disabled+0x48/0x280
[  241.613126]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  241.617953]  ? retint_kernel+0x2d/0x2d
[  241.621887]  ? trace_hardirqs_on_caller+0xc0/0x310
[  241.626867]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  241.631676]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.637193]  ? zap_class+0x640/0x640
[  241.640966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.646548]  ? check_preemption_disabled+0x48/0x280
[  241.651631]  ? __lock_is_held+0xb5/0x140
[  241.655736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.661318]  ? check_preemption_disabled+0x48/0x280
[  241.666383]  run_timer_softirq+0x52/0xb0
[  241.670471]  ? rcu_read_lock_sched_held+0x14f/0x180
[  241.675512]  __do_softirq+0x308/0xb7e
[  241.679332]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  241.683835]  ? lock_downgrade+0x900/0x900
[  241.688003]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  241.693148]  ? pvclock_read_flags+0x160/0x160
[  241.697691]  ? lapic_next_event+0x5a/0x90
[  241.701894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.707486]  ? kvm_clock_read+0x18/0x30
[  241.711501]  ? kvm_sched_clock_read+0x9/0x20
[  241.715971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.721552]  ? check_preemption_disabled+0x48/0x280
[  241.726649]  irq_exit+0x17f/0x1c0
[  241.730172]  smp_apic_timer_interrupt+0x1cb/0x760
[  241.735090]  ? smp_reschedule_interrupt+0x109/0x650
[  241.740166]  ? smp_call_function_single_interrupt+0x650/0x650
[  241.746104]  ? interrupt_entry+0xb5/0xc0
[  241.750245]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.755309]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.760372]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.765266]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.770354]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.775431]  ? task_prio+0x50/0x50
[  241.779021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.784622]  ? check_preemption_disabled+0x48/0x280
[  241.789709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.794610]  apic_timer_interrupt+0xf/0x20
[  241.798875]  </IRQ>
[  241.801140] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  241.806093] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  241.825008] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  241.832756] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  241.840065] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  241.847377] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  241.854694] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  241.862006] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  241.869362]  skb_clone+0x1bb/0x500
[  241.872951]  ? finish_task_switch+0x1b4/0x910
[  241.877489]  ? skb_split+0x11e0/0x11e0
[  241.881423]  ? preempt_notifier_register+0x200/0x200
[  241.886607]  ? __switch_to_asm+0x34/0x70
[  241.890713]  ? __switch_to_asm+0x34/0x70
[  241.894812]  ? __switch_to_asm+0x40/0x70
[  241.898912]  ? __switch_to_asm+0x34/0x70
[  241.902996]  ? __switch_to_asm+0x40/0x70
[  241.907084]  ? __switch_to_asm+0x34/0x70
[  241.911177]  ? __switch_to_asm+0x40/0x70
[  241.915287]  ? __switch_to_asm+0x34/0x70
[  241.919384]  ? __switch_to_asm+0x34/0x70
[  241.923478]  ? __switch_to_asm+0x40/0x70
[  241.927623]  ? __switch_to_asm+0x34/0x70
[  241.931722]  bpf_clone_redirect+0xb9/0x490
[  241.935983]  ? __schedule+0x8d7/0x21d0
[  241.939903]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  241.944974]  ? __sched_text_start+0x8/0x8
[  241.949165]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  241.953758]  ? retint_kernel+0x2d/0x2d
[  241.957663]  ? trace_hardirqs_on_caller+0xc0/0x310
[  241.962632]  ? find_held_lock+0x36/0x1c0
[  241.966734]  ? lock_acquire+0x1ed/0x520
[  241.970751]  ? bpf_test_run+0x3cb/0x780
[  241.974765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.980351]  ? check_preemption_disabled+0x48/0x280
[  241.985420]  ? kasan_check_read+0x11/0x20
[  241.989628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.994953]  ? rcu_softirq_qs+0x20/0x20
[  241.998971]  ? preempt_schedule+0x4d/0x60
[  242.003169]  ? ___preempt_schedule+0x16/0x18
[  242.007634]  ? bpf_test_run+0x25d/0x780
[  242.011686]  ? netlink_diag_dump+0x2a0/0x2a0
[  242.016137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.021714]  ? bpf_test_init.isra.10+0x70/0x100
[  242.026425]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  242.031229]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  242.036112]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.041690]  ? fput+0x130/0x1a0
[  242.044995]  ? __bpf_prog_get+0x9b/0x290
[  242.049096]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  242.053964]  ? bpf_prog_test_run+0x130/0x1a0
[  242.058420]  ? __x64_sys_bpf+0x3d8/0x520
[  242.062511]  ? bpf_prog_get+0x20/0x20
[  242.066353]  ? do_syscall_64+0x1b9/0x820
[  242.070442]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  242.075834]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.080777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.085647]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.090708]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  242.095758]  ? prepare_exit_to_usermode+0x291/0x3b0
[  242.100819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.105700]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  242.111119] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  242.111214] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.118118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.118125] Call Trace:
[  242.118132]  <IRQ>
[  242.118159]  dump_stack+0x244/0x39d
[  242.118175]  ? dump_stack_print_info.cold.1+0x20/0x20
[  242.118202]  warn_alloc.cold.116+0xb7/0x1bd
[  242.118221]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.124879] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.134155]  ? lock_downgrade+0x900/0x900
[  242.136727] syz-executor3 cpuset=syz3 mems_allowed=0
[  242.138931]  ? trace_hardirqs_off+0xb8/0x310
[  242.181043]  ? trace_hardirqs_off+0xb8/0x310
[  242.185518]  __alloc_pages_slowpath+0x26e8/0x2e10
[  242.190433]  ? warn_alloc+0x120/0x120
[  242.194269]  ? print_usage_bug+0xc0/0xc0
[  242.198392]  ? warn_alloc+0x120/0x120
[  242.202230]  ? warn_alloc+0x120/0x120
[  242.206069]  ? print_usage_bug+0xc0/0xc0
[  242.210180]  ? kvm_clock_read+0x18/0x30
[  242.214192]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  242.219251]  ? print_usage_bug+0xc0/0xc0
[  242.223351]  ? __lock_acquire+0x62f/0x4c20
[  242.227625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.233219]  ? should_fail+0x22d/0xd01
[  242.237141]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.242465]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.247604]  ? __lock_acquire+0x62f/0x4c20
[  242.251882]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.257024]  ? __lock_acquire+0x62f/0x4c20
[  242.261298]  ? should_fail+0x22d/0xd01
[  242.265229]  ? rcu_irq_exit+0x1a2/0x390
[  242.269253]  ? mark_held_locks+0x130/0x130
[  242.273540]  ? mark_held_locks+0x130/0x130
[  242.277850]  ? mark_held_locks+0xc7/0x130
[  242.282040]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  242.287126]  ? zap_class+0x640/0x640
[  242.290895]  ? print_usage_bug+0xc0/0xc0
[  242.295011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.300591]  ? check_preemption_disabled+0x48/0x280
[  242.305685]  ? __lock_is_held+0xb5/0x140
[  242.309794]  __alloc_pages_nodemask+0xa80/0xde0
[  242.314507]  ? zap_class+0x640/0x640
[  242.318763]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  242.323845]  ? find_held_lock+0x36/0x1c0
[  242.327969]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.332692]  ? lock_downgrade+0x900/0x900
[  242.336885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.342469]  cache_grow_begin+0xa5/0x8c0
[  242.346561]  ? do_raw_spin_unlock+0xa7/0x330
[  242.351030]  fallback_alloc+0x204/0x2e0
[  242.355054]  ____cache_alloc_node+0x1c7/0x1e0
[  242.359605]  kmem_cache_alloc_node+0xe3/0x730
[  242.364163]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.368444]  __alloc_skb+0x119/0x770
[  242.372205]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.377529]  ? netdev_alloc_frag+0x1f0/0x1f0
[  242.381976]  ? lock_downgrade+0x900/0x900
[  242.386176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.391759]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.397279]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.402775]  ? addrconf_rs_timer+0x690/0x690
[  242.407244]  ndisc_alloc_skb+0x144/0x340
[  242.411354]  ndisc_send_rs+0x331/0x6e0
[  242.415285]  addrconf_rs_timer+0x314/0x690
[  242.419566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.423847]  call_timer_fn+0x272/0x920
[  242.427770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.432039]  ? process_timeout+0x40/0x40
[  242.436162]  ? mark_held_locks+0xc7/0x130
[  242.440339]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.444868]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.449727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.453997]  ? lockdep_hardirqs_on+0x296/0x5b0
[  242.458629]  ? trace_hardirqs_on+0xbd/0x310
[  242.463038]  ? kasan_check_read+0x11/0x20
[  242.467243]  ? __run_timers+0x7da/0xc70
[  242.471255]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.476393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.480698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.484965]  __run_timers+0x7e5/0xc70
[  242.488805]  ? timer_fixup_init+0x70/0x70
[  242.492988]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.498045]  ? zap_class+0x640/0x640
[  242.501810]  ? print_usage_bug+0xc0/0xc0
[  242.505903]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  242.511146]  ? find_held_lock+0x36/0x1c0
[  242.515232]  ? zap_class+0x640/0x640
[  242.518970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.524542]  ? check_preemption_disabled+0x48/0x280
[  242.529613]  ? __lock_is_held+0xb5/0x140
[  242.533700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.539278]  ? check_preemption_disabled+0x48/0x280
[  242.544344]  run_timer_softirq+0x52/0xb0
[  242.548416]  ? rcu_read_lock_sched_held+0x14f/0x180
[  242.553452]  __do_softirq+0x308/0xb7e
[  242.557277]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  242.561785]  ? lock_downgrade+0x900/0x900
[  242.565991]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  242.571145]  ? pvclock_read_flags+0x160/0x160
[  242.575671]  ? lapic_next_event+0x5a/0x90
[  242.579867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.585463]  ? kvm_clock_read+0x18/0x30
[  242.589506]  ? kvm_sched_clock_read+0x9/0x20
[  242.593958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.599546]  ? check_preemption_disabled+0x48/0x280
[  242.604635]  irq_exit+0x17f/0x1c0
[  242.608155]  smp_apic_timer_interrupt+0x1cb/0x760
[  242.613039]  ? smp_reschedule_interrupt+0x109/0x650
[  242.618153]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.624105]  ? interrupt_entry+0xb5/0xc0
[  242.628205]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.633283]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.638349]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.643229]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.648280]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.653333]  ? task_prio+0x50/0x50
[  242.656897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.662475]  ? check_preemption_disabled+0x48/0x280
[  242.667532]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.672421]  apic_timer_interrupt+0xf/0x20
[  242.676678]  </IRQ>
[  242.678936] RIP: 0010:dump_stack+0x358/0x39d
[  242.683372] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  242.702304] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  242.710046] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  242.717357] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  242.724678] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  242.731984] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  242.739281] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  242.746586]  ? dump_stack+0x34f/0x39d
[  242.750425]  ? dump_stack_print_info.cold.1+0x20/0x20
[  242.755687]  ? mark_held_locks+0x130/0x130
[  242.759964]  ? mark_held_locks+0x130/0x130
[  242.764223]  dump_header+0x27b/0xf72
[  242.767980]  ? pagefault_out_of_memory+0x197/0x197
[  242.772942]  ? __lock_acquire+0x62f/0x4c20
[  242.777206]  ? percpu_ref_get_many+0x240/0x240
[  242.781835]  ? print_usage_bug+0xc0/0xc0
[  242.785936]  ? zap_class+0x640/0x640
[  242.789669]  ? print_usage_bug+0xc0/0xc0
[  242.793770]  ? print_usage_bug+0xc0/0xc0
[  242.797852]  ? zap_class+0x640/0x640
[  242.801599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.807180]  ? find_held_lock+0x36/0x1c0
[  242.811289]  ? mark_held_locks+0xc7/0x130
[  242.815496]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  242.820629]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  242.825773]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  242.830397]  ? trace_hardirqs_on+0xbd/0x310
[  242.834759]  ? kasan_check_read+0x11/0x20
[  242.838963]  ? ___ratelimit+0x3b4/0x672
[  242.842976]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.848142]  ? trace_hardirqs_on+0x310/0x310
[  242.852614]  ? lock_downgrade+0x900/0x900
[  242.856839]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.861992]  ? ___ratelimit+0x3b9/0x672
[  242.866006]  ? idr_get_free+0xf70/0xf70
[  242.870018]  ? find_held_lock+0x36/0x1c0
[  242.874139]  oom_kill_process.cold.27+0x10/0x903
[  242.878959]  ? zap_class+0x640/0x640
[  242.882737]  ? check_preemption_disabled+0x48/0x280
[  242.887796]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  242.892762]  ? kasan_check_read+0x11/0x20
[  242.896930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.902247]  ? oom_evaluate_task+0x540/0x540
[  242.906677]  ? find_held_lock+0x36/0x1c0
[  242.910774]  ? out_of_memory+0x974/0x1430
[  242.914939]  ? lock_downgrade+0x900/0x900
[  242.919132]  ? check_preemption_disabled+0x48/0x280
[  242.924168]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  242.929141]  ? kasan_check_read+0x11/0x20
[  242.933320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.938637]  ? rcu_softirq_qs+0x20/0x20
[  242.942647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.948210]  ? oom_evaluate_task+0x302/0x540
[  242.952634]  out_of_memory+0xa84/0x1430
[  242.956620]  ? oom_killer_disable+0x3a0/0x3a0
[  242.961138]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  242.966093]  ? __ww_mutex_check_waiters+0x160/0x160
[  242.971132]  __alloc_pages_slowpath+0x2354/0x2e10
[  242.976012]  ? warn_alloc+0x120/0x120
[  242.979821]  ? mark_held_locks+0x130/0x130
[  242.984090]  ? find_get_entry+0xaae/0x1120
[  242.988352]  ? filemap_map_pages+0x1a20/0x1a20
[  242.992972]  ? zap_class+0x640/0x640
[  242.996719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.002314]  ? check_preemption_disabled+0x48/0x280
[  243.007367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.012928]  ? should_fail+0x22d/0xd01
[  243.016830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.021997]  ? zap_class+0x640/0x640
[  243.025754]  ? __lock_is_held+0xb5/0x140
[  243.029843]  ? mark_held_locks+0x130/0x130
[  243.034114]  ? lock_release+0xa00/0xa00
[  243.038120]  ? perf_trace_sched_process_exec+0x860/0x860
[  243.043610]  ? xa_load+0x2ba/0x460
[  243.047181]  ? lock_downgrade+0x900/0x900
[  243.051349]  ? __might_sleep+0x95/0x190
[  243.055341]  __alloc_pages_nodemask+0xa80/0xde0
[  243.060038]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  243.065109]  ? __page_cache_alloc+0x191/0x5c0
[  243.069651]  ? xa_load+0x2e1/0x460
[  243.073230]  ? xa_clear_mark+0x40/0x40
[  243.077200]  ? zap_class+0x640/0x640
[  243.080958]  ? zap_class+0x640/0x640
[  243.084710]  ? zap_class+0x640/0x640
[  243.088472]  ? __do_page_cache_readahead+0x663/0x810
[  243.093685]  ? find_held_lock+0x36/0x1c0
[  243.097809]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  243.103402]  alloc_pages_current+0x173/0x350
[  243.107859]  __page_cache_alloc+0x38c/0x5c0
[  243.112216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.117183]  ? kasan_check_read+0x11/0x20
[  243.121372]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.126714]  ? generic_perform_write+0x6a0/0x6a0
[  243.131515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.137121]  ? check_preemption_disabled+0x48/0x280
[  243.142207]  filemap_fault+0x1595/0x25f0
[  243.146330]  ? __lock_page_or_retry+0xa00/0xa00
[  243.151099]  ? mark_held_locks+0x130/0x130
[  243.155401]  ? filemap_map_pages+0xd6b/0x1a20
[  243.159961]  ? lock_downgrade+0x900/0x900
[  243.164156]  ? check_preemption_disabled+0x48/0x280
[  243.169252]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.174224]  ? kasan_check_read+0x11/0x20
[  243.178416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.183728]  ? rcu_softirq_qs+0x20/0x20
[  243.187752]  ? filemap_map_pages+0xd92/0x1a20
[  243.192288]  ? find_get_entries_tag+0x1400/0x1400
[  243.197158]  ? debug_object_destroy+0x2b0/0x2b0
[  243.201851]  ? lock_pi_update_atomic+0x150/0x150
[  243.206625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.212218]  ? lock_acquire+0x1ed/0x520
[  243.216209]  ? ext4_filemap_fault+0x7a/0xad
[  243.220572]  ? lock_release+0xa00/0xa00
[  243.224565]  ? perf_trace_sched_process_exec+0x860/0x860
[  243.230049]  ? print_usage_bug+0xc0/0xc0
[  243.234161]  ? print_usage_bug+0xc0/0xc0
[  243.238275]  ? down_read+0x8d/0x120
[  243.241930]  ? ext4_filemap_fault+0x7a/0xad
[  243.246292]  ? __down_interruptible+0x700/0x700
[  243.251013]  ext4_filemap_fault+0x82/0xad
[  243.255370]  __do_fault+0x100/0x6b0
[  243.259031]  ? pmd_devmap_trans_unstable+0x220/0x220
[  243.264151]  ? mark_held_locks+0x130/0x130
[  243.268389]  ? mark_held_locks+0x130/0x130
[  243.272632]  ? debug_smp_processor_id+0x1c/0x20
[  243.277306]  ? perf_trace_lock+0x14d/0x7a0
[  243.281552]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  243.287194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.292777]  __handle_mm_fault+0x3ea0/0x5be0
[  243.297227]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  243.302117]  ? lock_is_held_type+0x210/0x210
[  243.306556]  ? file_remove_privs+0x540/0x540
[  243.310990]  ? zap_class+0x640/0x640
[  243.314710]  ? zap_class+0x640/0x640
[  243.318448]  ? __x64_sys_futex+0x53e/0x6a0
[  243.322748]  ? find_held_lock+0x36/0x1c0
[  243.326863]  ? handle_mm_fault+0x42a/0xc70
[  243.331138]  ? lock_downgrade+0x900/0x900
[  243.335328]  ? check_preemption_disabled+0x48/0x280
[  243.340397]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.345379]  ? kasan_check_read+0x11/0x20
[  243.349601]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.354918]  ? rcu_softirq_qs+0x20/0x20
[  243.358938]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.364107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.369689]  ? check_preemption_disabled+0x48/0x280
[  243.374756]  handle_mm_fault+0x54f/0xc70
[  243.378858]  ? __handle_mm_fault+0x5be0/0x5be0
[  243.383484]  ? find_vma+0x34/0x190
[  243.387066]  __do_page_fault+0x5e8/0xe60
[  243.391178]  ? trace_hardirqs_off+0xb8/0x310
[  243.395641]  do_page_fault+0xf2/0x7e0
[  243.399473]  ? vmalloc_sync_all+0x30/0x30
[  243.403649]  ? error_entry+0x70/0xd0
[  243.407423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.412483]  ? trace_hardirqs_on_caller+0xc0/0x310
[  243.417449]  ? syscall_return_slowpath+0x5e0/0x5e0
[  243.422423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.427320]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.432380]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.437886]  ? prepare_exit_to_usermode+0x291/0x3b0
[  243.442950]  ? page_fault+0x8/0x30
[  243.446532]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.451427]  ? page_fault+0x8/0x30
[  243.455007]  page_fault+0x1e/0x30
[  243.458482] RIP: 0033:0x40f9c0
[  243.461787] Code: Bad RIP value.
[  243.465187] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  243.470589] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  243.477892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  243.485205] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  243.492495] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  243.499766] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  243.507100] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  243.507108] warn_alloc_show_mem: 1 callbacks suppressed
[  243.507115] Mem-Info:
[  243.514319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  243.519718] active_anon:50082 inactive_anon:201 isolated_anon:0
[  243.519718]  active_file:11 inactive_file:13 isolated_file:0
[  243.519718]  unevictable:0 dirty:0 writeback:0 unstable:0
[  243.519718]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  243.519718]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  243.519718]  free:13738 free_pcp:300 free_cma:0
[  243.522124] Call Trace:
[  243.531578] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  243.564460]  <IRQ>
[  243.567046] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  243.594593]  dump_stack+0x244/0x39d
[  243.596737] lowmem_reserve[]: 0 2818 6321 6321
[  243.622890]  ? dump_stack_print_info.cold.1+0x20/0x20
[  243.626505] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  243.631138]  warn_alloc.cold.116+0xb7/0x1bd
[  243.636315] lowmem_reserve[]: 0 0 3503 3503
[  243.663966]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.668279] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  243.672630]  ? lock_downgrade+0x900/0x900
[  243.677463] lowmem_reserve[]: 0 0 0 0
[  243.706385]  ? trace_hardirqs_off+0xb8/0x310
[  243.710517] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  243.714335]  ? trace_hardirqs_off+0xb8/0x310
[  243.718772] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  243.732330]  __alloc_pages_slowpath+0x26e8/0x2e10
[  243.736722] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  243.751870]  ? warn_alloc+0x120/0x120
[  243.756690] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  243.771296]  ? print_usage_bug+0xc0/0xc0
[  243.775108] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  243.783975]  ? warn_alloc+0x120/0x120
[  243.788022] 268 total pagecache pages
[  243.796628]  ? warn_alloc+0x120/0x120
[  243.800443] 0 pages in swap cache
[  243.804262]  ? print_usage_bug+0xc0/0xc0
[  243.808046] Swap cache stats: add 0, delete 0, find 0/0
[  243.811499]  ? kvm_clock_read+0x18/0x30
[  243.815533] Free swap  = 0kB
[  243.815542] Total swap = 0kB
[  243.820920]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  243.824870] 1965979 pages RAM
[  243.827887]  ? print_usage_bug+0xc0/0xc0
[  243.830882] 0 pages HighMem/MovableOnly
[  243.835902]  ? __lock_acquire+0x62f/0x4c20
[  243.838994] 342853 pages reserved
[  243.839003] 0 pages cma reserved
[  243.843071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.847120] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.851278]  ? should_fail+0x22d/0xd01
[  243.854828] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.858099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.858119]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.863649] syz-fuzzer cpuset=/ mems_allowed=0
[  243.870161]  ? __lock_acquire+0x62f/0x4c20
[  243.903459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.908575]  ? __lock_acquire+0x62f/0x4c20
[  243.912836]  ? should_fail+0x22d/0xd01
[  243.916744]  ? rcu_irq_exit+0x1a2/0x390
[  243.920745]  ? mark_held_locks+0x130/0x130
[  243.925007]  ? mark_held_locks+0x130/0x130
[  243.929272]  ? mark_held_locks+0xc7/0x130
[  243.933435]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  243.938471]  ? zap_class+0x640/0x640
[  243.942206]  ? print_usage_bug+0xc0/0xc0
[  243.946301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.951854]  ? check_preemption_disabled+0x48/0x280
[  243.956887]  ? __lock_is_held+0xb5/0x140
[  243.960964]  __alloc_pages_nodemask+0xa80/0xde0
[  243.965682]  ? zap_class+0x640/0x640
[  243.969409]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  243.974443]  ? find_held_lock+0x36/0x1c0
[  243.978528]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.983213]  ? lock_downgrade+0x900/0x900
[  243.987380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.992938]  cache_grow_begin+0xa5/0x8c0
[  243.997011]  ? do_raw_spin_unlock+0xa7/0x330
[  244.001440]  fallback_alloc+0x204/0x2e0
[  244.005442]  ____cache_alloc_node+0x1c7/0x1e0
[  244.009958]  kmem_cache_alloc_node+0xe3/0x730
[  244.014464]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.018739]  __alloc_skb+0x119/0x770
[  244.022467]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.027765]  ? netdev_alloc_frag+0x1f0/0x1f0
[  244.032206]  ? lock_downgrade+0x900/0x900
[  244.036373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.041928]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.047399]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.052861]  ? addrconf_rs_timer+0x690/0x690
[  244.057296]  ndisc_alloc_skb+0x144/0x340
[  244.061375]  ndisc_send_rs+0x331/0x6e0
[  244.065296]  addrconf_rs_timer+0x314/0x690
[  244.069559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.073813]  call_timer_fn+0x272/0x920
[  244.077707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.081980]  ? process_timeout+0x40/0x40
[  244.086126]  ? __run_timers+0x7da/0xc70
[  244.090124]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.094622]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.099132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.103381]  ? lockdep_hardirqs_on+0x296/0x5b0
[  244.107979]  ? trace_hardirqs_on+0xbd/0x310
[  244.112317]  ? kasan_check_read+0x11/0x20
[  244.116500]  ? __run_timers+0x7da/0xc70
[  244.120479]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.125597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.129859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.134124]  __run_timers+0x7e5/0xc70
[  244.137945]  ? timer_fixup_init+0x70/0x70
[  244.142112]  ? kasan_check_read+0x11/0x20
[  244.146267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.151549]  ? rcu_softirq_qs+0x20/0x20
[  244.155538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.161105]  ? check_preemption_disabled+0x48/0x280
[  244.166160]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.170936]  ? retint_kernel+0x2d/0x2d
[  244.174835]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.179795]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.184580]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  244.190060]  ? zap_class+0x640/0x640
[  244.193795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.199344]  ? check_preemption_disabled+0x48/0x280
[  244.204380]  ? __lock_is_held+0xb5/0x140
[  244.208451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.214009]  ? check_preemption_disabled+0x48/0x280
[  244.219064]  run_timer_softirq+0x52/0xb0
[  244.223144]  ? rcu_read_lock_sched_held+0x14f/0x180
[  244.228171]  __do_softirq+0x308/0xb7e
[  244.231988]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  244.236500]  ? lock_downgrade+0x900/0x900
[  244.240700]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  244.245827]  ? pvclock_read_flags+0x160/0x160
[  244.250333]  ? lapic_next_event+0x5a/0x90
[  244.254493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.260053]  ? kvm_clock_read+0x18/0x30
[  244.264060]  ? kvm_sched_clock_read+0x9/0x20
[  244.268502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.274053]  ? check_preemption_disabled+0x48/0x280
[  244.279129]  irq_exit+0x17f/0x1c0
[  244.282608]  smp_apic_timer_interrupt+0x1cb/0x760
[  244.287461]  ? smp_reschedule_interrupt+0x109/0x650
[  244.292505]  ? smp_call_function_single_interrupt+0x650/0x650
[  244.298430]  ? interrupt_entry+0xb5/0xc0
[  244.302529]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.307572]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.312643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.317922]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.322969]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.328014]  ? task_prio+0x50/0x50
[  244.331606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.337207]  ? check_preemption_disabled+0x48/0x280
[  244.342272]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.347151]  apic_timer_interrupt+0xf/0x20
[  244.351391]  </IRQ>
[  244.353646] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  244.358629] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  244.377551] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  244.385285] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  244.392560] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  244.399835] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  244.407112] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  244.414383] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  244.421707]  skb_clone+0x1bb/0x500
[  244.425260]  ? finish_task_switch+0x1b4/0x910
[  244.429770]  ? skb_split+0x11e0/0x11e0
[  244.433663]  ? preempt_notifier_register+0x200/0x200
[  244.438777]  ? __switch_to_asm+0x34/0x70
[  244.442845]  ? __switch_to_asm+0x34/0x70
[  244.446924]  ? __switch_to_asm+0x40/0x70
[  244.451486]  ? __switch_to_asm+0x34/0x70
[  244.455550]  ? __switch_to_asm+0x40/0x70
[  244.459620]  ? __switch_to_asm+0x34/0x70
[  244.463680]  ? __switch_to_asm+0x40/0x70
[  244.467739]  ? __switch_to_asm+0x34/0x70
[  244.471824]  ? __switch_to_asm+0x34/0x70
[  244.475891]  ? __switch_to_asm+0x40/0x70
[  244.479971]  ? __switch_to_asm+0x34/0x70
[  244.484042]  bpf_clone_redirect+0xb9/0x490
[  244.488290]  ? __schedule+0x8d7/0x21d0
[  244.492197]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  244.497252]  ? __sched_text_start+0x8/0x8
[  244.501422]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  244.506013]  ? retint_kernel+0x2d/0x2d
[  244.509912]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.514857]  ? find_held_lock+0x36/0x1c0
[  244.518932]  ? lock_acquire+0x1ed/0x520
[  244.522923]  ? bpf_test_run+0x3cb/0x780
[  244.526904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.532449]  ? check_preemption_disabled+0x48/0x280
[  244.537478]  ? kasan_check_read+0x11/0x20
[  244.541639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.546925]  ? rcu_softirq_qs+0x20/0x20
[  244.550909]  ? preempt_schedule+0x4d/0x60
[  244.555066]  ? ___preempt_schedule+0x16/0x18
[  244.559513]  ? bpf_test_run+0x25d/0x780
[  244.563511]  ? netlink_diag_dump+0x2a0/0x2a0
[  244.567927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.573490]  ? bpf_test_init.isra.10+0x70/0x100
[  244.578175]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  244.582973]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  244.587825]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  244.593370]  ? fput+0x130/0x1a0
[  244.596656]  ? __bpf_prog_get+0x9b/0x290
[  244.600748]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  244.605610]  ? bpf_prog_test_run+0x130/0x1a0
[  244.610027]  ? __x64_sys_bpf+0x3d8/0x520
[  244.614101]  ? bpf_prog_get+0x20/0x20
[  244.617928]  ? do_syscall_64+0x1b9/0x820
[  244.621992]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  244.627376]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.632319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.637169]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.642208]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  244.647229]  ? prepare_exit_to_usermode+0x291/0x3b0
[  244.652266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.657149]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  244.662546] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  244.662666] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.669486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.669492] Call Trace:
[  244.669500]  <IRQ>
[  244.669519]  dump_stack+0x244/0x39d
[  244.669538]  ? dump_stack_print_info.cold.1+0x20/0x20
[  244.669566]  warn_alloc.cold.116+0xb7/0x1bd
[  244.676143] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.685400]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.687963] syz-executor3 cpuset=syz3 mems_allowed=0
[  244.690121]  ? lock_downgrade+0x900/0x900
[  244.727802]  ? trace_hardirqs_off+0xb8/0x310
[  244.732230]  ? trace_hardirqs_off+0xb8/0x310
[  244.736658]  __alloc_pages_slowpath+0x26e8/0x2e10
[  244.741582]  ? warn_alloc+0x120/0x120
[  244.745404]  ? print_usage_bug+0xc0/0xc0
[  244.749480]  ? warn_alloc+0x120/0x120
[  244.753291]  ? warn_alloc+0x120/0x120
[  244.757104]  ? print_usage_bug+0xc0/0xc0
[  244.761177]  ? kvm_clock_read+0x18/0x30
[  244.765172]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  244.770196]  ? print_usage_bug+0xc0/0xc0
[  244.774270]  ? __lock_acquire+0x62f/0x4c20
[  244.778526]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.784069]  ? should_fail+0x22d/0xd01
[  244.787979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.793298]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.798406]  ? __lock_acquire+0x62f/0x4c20
[  244.802670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.807773]  ? __lock_acquire+0x62f/0x4c20
[  244.812009]  ? should_fail+0x22d/0xd01
[  244.815895]  ? rcu_irq_exit+0x1a2/0x390
[  244.819882]  ? mark_held_locks+0x130/0x130
[  244.824140]  ? mark_held_locks+0x130/0x130
[  244.828383]  ? mark_held_locks+0xc7/0x130
[  244.832543]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  244.837571]  ? zap_class+0x640/0x640
[  244.841288]  ? print_usage_bug+0xc0/0xc0
[  244.845372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.850913]  ? check_preemption_disabled+0x48/0x280
[  244.855946]  ? __lock_is_held+0xb5/0x140
[  244.860036]  __alloc_pages_nodemask+0xa80/0xde0
[  244.864714]  ? zap_class+0x640/0x640
[  244.868441]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  244.873478]  ? find_held_lock+0x36/0x1c0
[  244.877567]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.882262]  ? lock_downgrade+0x900/0x900
[  244.886423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.891980]  cache_grow_begin+0xa5/0x8c0
[  244.896048]  ? do_raw_spin_unlock+0xa7/0x330
[  244.900488]  fallback_alloc+0x204/0x2e0
[  244.904518]  ____cache_alloc_node+0x1c7/0x1e0
[  244.909031]  kmem_cache_alloc_node+0xe3/0x730
[  244.913584]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.917833]  __alloc_skb+0x119/0x770
[  244.921552]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.926870]  ? netdev_alloc_frag+0x1f0/0x1f0
[  244.931291]  ? lock_downgrade+0x900/0x900
[  244.935452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.941005]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.946470]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.951965]  ? addrconf_rs_timer+0x690/0x690
[  244.956390]  ndisc_alloc_skb+0x144/0x340
[  244.960468]  ndisc_send_rs+0x331/0x6e0
[  244.964370]  addrconf_rs_timer+0x314/0x690
[  244.968617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.972874]  call_timer_fn+0x272/0x920
[  244.976792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.981040]  ? process_timeout+0x40/0x40
[  244.985130]  ? mark_held_locks+0xc7/0x130
[  244.989311]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.993823]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.998323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.002586]  ? lockdep_hardirqs_on+0x296/0x5b0
[  245.007178]  ? trace_hardirqs_on+0xbd/0x310
[  245.011507]  ? kasan_check_read+0x11/0x20
[  245.015672]  ? __run_timers+0x7da/0xc70
[  245.019654]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.024768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.029013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.033255]  __run_timers+0x7e5/0xc70
[  245.037101]  ? timer_fixup_init+0x70/0x70
[  245.041264]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.046291]  ? zap_class+0x640/0x640
[  245.050022]  ? print_usage_bug+0xc0/0xc0
[  245.054103]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.059308]  ? find_held_lock+0x36/0x1c0
[  245.063388]  ? zap_class+0x640/0x640
[  245.067132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.072690]  ? check_preemption_disabled+0x48/0x280
[  245.077737]  ? __lock_is_held+0xb5/0x140
[  245.081802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.087343]  ? check_preemption_disabled+0x48/0x280
[  245.092369]  run_timer_softirq+0x52/0xb0
[  245.096437]  ? rcu_read_lock_sched_held+0x14f/0x180
[  245.101465]  __do_softirq+0x308/0xb7e
[  245.105274]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  245.109774]  ? lock_downgrade+0x900/0x900
[  245.113931]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  245.119045]  ? pvclock_read_flags+0x160/0x160
[  245.123568]  ? lapic_next_event+0x5a/0x90
[  245.127727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.133276]  ? kvm_clock_read+0x18/0x30
[  245.137268]  ? kvm_sched_clock_read+0x9/0x20
[  245.141684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.147231]  ? check_preemption_disabled+0x48/0x280
[  245.152268]  irq_exit+0x17f/0x1c0
[  245.155737]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.160585]  ? smp_reschedule_interrupt+0x109/0x650
[  245.165614]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.171511]  ? interrupt_entry+0xb5/0xc0
[  245.175598]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.180625]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.185654]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.190504]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.195530]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.200579]  ? task_prio+0x50/0x50
[  245.204126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.209706]  ? check_preemption_disabled+0x48/0x280
[  245.214762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.219622]  apic_timer_interrupt+0xf/0x20
[  245.223857]  </IRQ>
[  245.226111] RIP: 0010:dump_stack+0x358/0x39d
[  245.230526] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  245.249445] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  245.257174] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  245.264451] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  245.271726] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  245.279025] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  245.286303] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  245.293605]  ? dump_stack+0x34f/0x39d
[  245.297431]  ? dump_stack_print_info.cold.1+0x20/0x20
[  245.302637]  ? mark_held_locks+0x130/0x130
[  245.306886]  ? mark_held_locks+0x130/0x130
[  245.311137]  dump_header+0x27b/0xf72
[  245.314894]  ? pagefault_out_of_memory+0x197/0x197
[  245.319854]  ? __lock_acquire+0x62f/0x4c20
[  245.324151]  ? percpu_ref_get_many+0x240/0x240
[  245.328768]  ? print_usage_bug+0xc0/0xc0
[  245.332882]  ? zap_class+0x640/0x640
[  245.336644]  ? print_usage_bug+0xc0/0xc0
[  245.340718]  ? print_usage_bug+0xc0/0xc0
[  245.344796]  ? zap_class+0x640/0x640
[  245.348527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.354102]  ? find_held_lock+0x36/0x1c0
[  245.358192]  ? mark_held_locks+0xc7/0x130
[  245.362358]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  245.367477]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  245.372603]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  245.377230]  ? trace_hardirqs_on+0xbd/0x310
[  245.381565]  ? kasan_check_read+0x11/0x20
[  245.385737]  ? ___ratelimit+0x3b4/0x672
[  245.389742]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.394856]  ? trace_hardirqs_on+0x310/0x310
[  245.399295]  ? lock_downgrade+0x900/0x900
[  245.403469]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.408589]  ? ___ratelimit+0x3b9/0x672
[  245.412578]  ? idr_get_free+0xf70/0xf70
[  245.416562]  ? find_held_lock+0x36/0x1c0
[  245.420649]  oom_kill_process.cold.27+0x10/0x903
[  245.425457]  ? zap_class+0x640/0x640
[  245.429184]  ? check_preemption_disabled+0x48/0x280
[  245.434231]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  245.439208]  ? kasan_check_read+0x11/0x20
[  245.443382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.448699]  ? oom_evaluate_task+0x540/0x540
[  245.453134]  ? find_held_lock+0x36/0x1c0
[  245.457231]  ? out_of_memory+0x974/0x1430
[  245.461399]  ? lock_downgrade+0x900/0x900
[  245.465558]  ? check_preemption_disabled+0x48/0x280
[  245.470588]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  245.475555]  ? kasan_check_read+0x11/0x20
[  245.479726]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.485037]  ? rcu_softirq_qs+0x20/0x20
[  245.489056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.494613]  ? oom_evaluate_task+0x302/0x540
[  245.499039]  out_of_memory+0xa84/0x1430
[  245.503055]  ? oom_killer_disable+0x3a0/0x3a0
[  245.507590]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  245.512583]  ? __ww_mutex_check_waiters+0x160/0x160
[  245.517636]  __alloc_pages_slowpath+0x2354/0x2e10
[  245.522525]  ? warn_alloc+0x120/0x120
[  245.526330]  ? mark_held_locks+0x130/0x130
[  245.530598]  ? find_get_entry+0xaae/0x1120
[  245.534845]  ? filemap_map_pages+0x1a20/0x1a20
[  245.539456]  ? zap_class+0x640/0x640
[  245.543182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.548736]  ? check_preemption_disabled+0x48/0x280
[  245.553757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.559331]  ? should_fail+0x22d/0xd01
[  245.563238]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.568376]  ? zap_class+0x640/0x640
[  245.572142]  ? __lock_is_held+0xb5/0x140
[  245.576219]  ? mark_held_locks+0x130/0x130
[  245.580482]  ? lock_release+0xa00/0xa00
[  245.584474]  ? perf_trace_sched_process_exec+0x860/0x860
[  245.589946]  ? xa_load+0x2ba/0x460
[  245.593501]  ? lock_downgrade+0x900/0x900
[  245.597683]  ? __might_sleep+0x95/0x190
[  245.601695]  __alloc_pages_nodemask+0xa80/0xde0
[  245.606390]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  245.611439]  ? __page_cache_alloc+0x191/0x5c0
[  245.615981]  ? xa_load+0x2e1/0x460
[  245.619544]  ? xa_clear_mark+0x40/0x40
[  245.623452]  ? zap_class+0x640/0x640
[  245.627186]  ? zap_class+0x640/0x640
[  245.630943]  ? zap_class+0x640/0x640
[  245.634686]  ? __do_page_cache_readahead+0x663/0x810
[  245.639817]  ? find_held_lock+0x36/0x1c0
[  245.643900]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  245.649461]  alloc_pages_current+0x173/0x350
[  245.653896]  __page_cache_alloc+0x38c/0x5c0
[  245.658234]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  245.663190]  ? kasan_check_read+0x11/0x20
[  245.667358]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.672665]  ? generic_perform_write+0x6a0/0x6a0
[  245.677438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.682998]  ? check_preemption_disabled+0x48/0x280
[  245.688040]  filemap_fault+0x1595/0x25f0
[  245.692149]  ? __lock_page_or_retry+0xa00/0xa00
[  245.696840]  ? mark_held_locks+0x130/0x130
[  245.701117]  ? filemap_map_pages+0xd6b/0x1a20
[  245.705642]  ? lock_downgrade+0x900/0x900
[  245.709803]  ? check_preemption_disabled+0x48/0x280
[  245.714847]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  245.719794]  ? kasan_check_read+0x11/0x20
[  245.723961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.729257]  ? rcu_softirq_qs+0x20/0x20
[  245.733270]  ? filemap_map_pages+0xd92/0x1a20
[  245.737812]  ? find_get_entries_tag+0x1400/0x1400
[  245.742682]  ? debug_object_destroy+0x2b0/0x2b0
[  245.747376]  ? lock_pi_update_atomic+0x150/0x150
[  245.752146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.757720]  ? lock_acquire+0x1ed/0x520
[  245.761728]  ? ext4_filemap_fault+0x7a/0xad
[  245.766089]  ? lock_release+0xa00/0xa00
[  245.770082]  ? perf_trace_sched_process_exec+0x860/0x860
[  245.775561]  ? print_usage_bug+0xc0/0xc0
[  245.779644]  ? print_usage_bug+0xc0/0xc0
[  245.783735]  ? down_read+0x8d/0x120
[  245.787368]  ? ext4_filemap_fault+0x7a/0xad
[  245.791708]  ? __down_interruptible+0x700/0x700
[  245.796406]  ext4_filemap_fault+0x82/0xad
[  245.800590]  __do_fault+0x100/0x6b0
[  245.804236]  ? pmd_devmap_trans_unstable+0x220/0x220
[  245.809377]  ? mark_held_locks+0x130/0x130
[  245.813635]  ? mark_held_locks+0x130/0x130
[  245.817904]  ? debug_smp_processor_id+0x1c/0x20
[  245.822598]  ? perf_trace_lock+0x14d/0x7a0
[  245.826854]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  245.832485]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.838042]  __handle_mm_fault+0x3ea0/0x5be0
[  245.842473]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  245.847327]  ? lock_is_held_type+0x210/0x210
[  245.851751]  ? file_remove_privs+0x540/0x540
[  245.856205]  ? zap_class+0x640/0x640
[  245.859929]  ? zap_class+0x640/0x640
[  245.863647]  ? __x64_sys_futex+0x53e/0x6a0
[  245.867903]  ? find_held_lock+0x36/0x1c0
[  245.871981]  ? handle_mm_fault+0x42a/0xc70
[  245.876220]  ? lock_downgrade+0x900/0x900
[  245.880387]  ? check_preemption_disabled+0x48/0x280
[  245.885412]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  245.890349]  ? kasan_check_read+0x11/0x20
[  245.894506]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.899790]  ? rcu_softirq_qs+0x20/0x20
[  245.903780]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.908889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.914470]  ? check_preemption_disabled+0x48/0x280
[  245.919498]  handle_mm_fault+0x54f/0xc70
[  245.923572]  ? __handle_mm_fault+0x5be0/0x5be0
[  245.928168]  ? find_vma+0x34/0x190
[  245.931720]  __do_page_fault+0x5e8/0xe60
[  245.935791]  ? trace_hardirqs_off+0xb8/0x310
[  245.940231]  do_page_fault+0xf2/0x7e0
[  245.944038]  ? vmalloc_sync_all+0x30/0x30
[  245.948190]  ? error_entry+0x70/0xd0
[  245.951923]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.956947]  ? trace_hardirqs_on_caller+0xc0/0x310
[  245.961882]  ? syscall_return_slowpath+0x5e0/0x5e0
[  245.966818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.971677]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.976714]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.982176]  ? prepare_exit_to_usermode+0x291/0x3b0
[  245.987217]  ? page_fault+0x8/0x30
[  245.990767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.995616]  ? page_fault+0x8/0x30
[  245.999159]  page_fault+0x1e/0x30
[  246.002631] RIP: 0033:0x40f9c0
[  246.005861] Code: Bad RIP value.
[  246.009225] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  246.014595] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  246.021868] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  246.029140] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  246.036417] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  246.043703] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  246.051009] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  246.051016] warn_alloc_show_mem: 1 callbacks suppressed
[  246.051024] Mem-Info:
[  246.058227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.063627] active_anon:50082 inactive_anon:201 isolated_anon:0
[  246.063627]  active_file:11 inactive_file:13 isolated_file:0
[  246.063627]  unevictable:0 dirty:0 writeback:0 unstable:0
[  246.063627]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  246.063627]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  246.063627]  free:13738 free_pcp:300 free_cma:0
[  246.065999] Call Trace:
[  246.075400] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  246.108304]  <IRQ>
[  246.110890] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  246.138448]  dump_stack+0x244/0x39d
[  246.140608] lowmem_reserve[]: 0 2818 6321 6321
[  246.166769]  ? dump_stack_print_info.cold.1+0x20/0x20
[  246.170392] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  246.174999]  warn_alloc.cold.116+0xb7/0x1bd
[  246.180175] lowmem_reserve[]: 0 0 3503 3503
[  246.207808]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.212109] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  246.216442]  ? lock_downgrade+0x900/0x900
[  246.221265] lowmem_reserve[]: 0 0 0 0
[  246.250193]  ? trace_hardirqs_off+0xb8/0x310
[  246.254350] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  246.258156]  ? trace_hardirqs_off+0xb8/0x310
[  246.262549] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  246.276124]  __alloc_pages_slowpath+0x26e8/0x2e10
[  246.280523] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  246.295691]  ? warn_alloc+0x120/0x120
[  246.300505] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  246.315104]  ? print_usage_bug+0xc0/0xc0
[  246.319403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  246.319414] 268 total pagecache pages
[  246.328278]  ? warn_alloc+0x120/0x120
[  246.332331] 0 pages in swap cache
[  246.340929]  ? warn_alloc+0x120/0x120
[  246.344710] Swap cache stats: add 0, delete 0, find 0/0
[  246.348518]  ? print_usage_bug+0xc0/0xc0
[  246.351941] Free swap  = 0kB
[  246.355755]  ? kvm_clock_read+0x18/0x30
[  246.361110] Total swap = 0kB
[  246.365181]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  246.368186] 1965979 pages RAM
[  246.372178]  ? print_usage_bug+0xc0/0xc0
[  246.375178] 0 pages HighMem/MovableOnly
[  246.380208]  ? __lock_acquire+0x62f/0x4c20
[  246.383297] 342853 pages reserved
[  246.387367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.391307] 0 pages cma reserved
[  246.391422] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.395551]  ? should_fail+0x22d/0xd01
[  246.395567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.395591]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.399110] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.404570]  ? __lock_acquire+0x62f/0x4c20
[  246.407909] syz-fuzzer cpuset=/ mems_allowed=0
[  246.414411]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.453297]  ? __lock_acquire+0x62f/0x4c20
[  246.457541]  ? should_fail+0x22d/0xd01
[  246.461445]  ? rcu_irq_exit+0x1a2/0x390
[  246.465444]  ? mark_held_locks+0x130/0x130
[  246.469716]  ? mark_held_locks+0x130/0x130
[  246.473963]  ? mark_held_locks+0xc7/0x130
[  246.478137]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  246.483181]  ? zap_class+0x640/0x640
[  246.486918]  ? print_usage_bug+0xc0/0xc0
[  246.491009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.496581]  ? check_preemption_disabled+0x48/0x280
[  246.501651]  ? __lock_is_held+0xb5/0x140
[  246.505758]  __alloc_pages_nodemask+0xa80/0xde0
[  246.510456]  ? zap_class+0x640/0x640
[  246.514193]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  246.519243]  ? find_held_lock+0x36/0x1c0
[  246.523331]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.528023]  ? lock_downgrade+0x900/0x900
[  246.532211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.537825]  cache_grow_begin+0xa5/0x8c0
[  246.541931]  ? do_raw_spin_unlock+0xa7/0x330
[  246.546376]  fallback_alloc+0x204/0x2e0
[  246.550366]  ____cache_alloc_node+0x1c7/0x1e0
[  246.554879]  kmem_cache_alloc_node+0xe3/0x730
[  246.559400]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.563661]  __alloc_skb+0x119/0x770
[  246.567405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.572710]  ? netdev_alloc_frag+0x1f0/0x1f0
[  246.577172]  ? lock_downgrade+0x900/0x900
[  246.581349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.586965]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.592448]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.597928]  ? addrconf_rs_timer+0x690/0x690
[  246.602359]  ndisc_alloc_skb+0x144/0x340
[  246.606436]  ndisc_send_rs+0x331/0x6e0
[  246.610344]  addrconf_rs_timer+0x314/0x690
[  246.614625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.618899]  call_timer_fn+0x272/0x920
[  246.622794]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.627036]  ? process_timeout+0x40/0x40
[  246.631127]  ? __run_timers+0x7da/0xc70
[  246.635120]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.639619]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.644120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.648410]  ? lockdep_hardirqs_on+0x296/0x5b0
[  246.653017]  ? trace_hardirqs_on+0xbd/0x310
[  246.657343]  ? kasan_check_read+0x11/0x20
[  246.661495]  ? __run_timers+0x7da/0xc70
[  246.665482]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.670615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.674863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.679107]  __run_timers+0x7e5/0xc70
[  246.682923]  ? timer_fixup_init+0x70/0x70
[  246.687086]  ? kasan_check_read+0x11/0x20
[  246.691243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.696526]  ? rcu_softirq_qs+0x20/0x20
[  246.700518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.706064]  ? check_preemption_disabled+0x48/0x280
[  246.711124]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  246.715916]  ? retint_kernel+0x2d/0x2d
[  246.719821]  ? trace_hardirqs_on_caller+0xc0/0x310
[  246.724782]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  246.729561]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.735054]  ? zap_class+0x640/0x640
[  246.738801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.744358]  ? check_preemption_disabled+0x48/0x280
[  246.749404]  ? __lock_is_held+0xb5/0x140
[  246.753488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.759058]  ? check_preemption_disabled+0x48/0x280
[  246.764105]  run_timer_softirq+0x52/0xb0
[  246.768176]  ? rcu_read_lock_sched_held+0x14f/0x180
[  246.773209]  __do_softirq+0x308/0xb7e
[  246.777024]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  246.781536]  ? lock_downgrade+0x900/0x900
[  246.785751]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  246.790870]  ? pvclock_read_flags+0x160/0x160
[  246.795372]  ? lapic_next_event+0x5a/0x90
[  246.799528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.805106]  ? kvm_clock_read+0x18/0x30
[  246.809092]  ? kvm_sched_clock_read+0x9/0x20
[  246.813517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.819064]  ? check_preemption_disabled+0x48/0x280
[  246.824127]  irq_exit+0x17f/0x1c0
[  246.827635]  smp_apic_timer_interrupt+0x1cb/0x760
[  246.832487]  ? smp_reschedule_interrupt+0x109/0x650
[  246.837522]  ? smp_call_function_single_interrupt+0x650/0x650
[  246.843426]  ? interrupt_entry+0xb5/0xc0
[  246.847511]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.852568]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.857644]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.862524]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.867570]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.872640]  ? task_prio+0x50/0x50
[  246.876193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.881756]  ? check_preemption_disabled+0x48/0x280
[  246.886802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.891663]  apic_timer_interrupt+0xf/0x20
[  246.895898]  </IRQ>
[  246.898146] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  246.903097] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  246.922038] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  246.929781] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  246.937057] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  246.944352] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  246.951624] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  246.958899] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  246.966240]  skb_clone+0x1bb/0x500
[  246.969797]  ? finish_task_switch+0x1b4/0x910
[  246.974310]  ? skb_split+0x11e0/0x11e0
[  246.978207]  ? preempt_notifier_register+0x200/0x200
[  246.983326]  ? __switch_to_asm+0x34/0x70
[  246.987400]  ? __switch_to_asm+0x34/0x70
[  246.991473]  ? __switch_to_asm+0x40/0x70
[  246.995539]  ? __switch_to_asm+0x34/0x70
[  246.999607]  ? __switch_to_asm+0x40/0x70
[  247.003675]  ? __switch_to_asm+0x34/0x70
[  247.007739]  ? __switch_to_asm+0x40/0x70
[  247.011819]  ? __switch_to_asm+0x34/0x70
[  247.015908]  ? __switch_to_asm+0x34/0x70
[  247.019976]  ? __switch_to_asm+0x40/0x70
[  247.024054]  ? __switch_to_asm+0x34/0x70
[  247.028162]  bpf_clone_redirect+0xb9/0x490
[  247.032407]  ? __schedule+0x8d7/0x21d0
[  247.036307]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  247.041335]  ? __sched_text_start+0x8/0x8
[  247.045497]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  247.050099]  ? retint_kernel+0x2d/0x2d
[  247.053999]  ? trace_hardirqs_on_caller+0xc0/0x310
[  247.058940]  ? find_held_lock+0x36/0x1c0
[  247.063018]  ? lock_acquire+0x1ed/0x520
[  247.067000]  ? bpf_test_run+0x3cb/0x780
[  247.070984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.076542]  ? check_preemption_disabled+0x48/0x280
[  247.081574]  ? kasan_check_read+0x11/0x20
[  247.085741]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.091033]  ? rcu_softirq_qs+0x20/0x20
[  247.095023]  ? preempt_schedule+0x4d/0x60
[  247.099183]  ? ___preempt_schedule+0x16/0x18
[  247.103622]  ? bpf_test_run+0x25d/0x780
[  247.107623]  ? netlink_diag_dump+0x2a0/0x2a0
[  247.112071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.117651]  ? bpf_test_init.isra.10+0x70/0x100
[  247.122360]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  247.127135]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  247.131987]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.137537]  ? fput+0x130/0x1a0
[  247.140856]  ? __bpf_prog_get+0x9b/0x290
[  247.144928]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  247.149788]  ? bpf_prog_test_run+0x130/0x1a0
[  247.154210]  ? __x64_sys_bpf+0x3d8/0x520
[  247.158275]  ? bpf_prog_get+0x20/0x20
[  247.162147]  ? do_syscall_64+0x1b9/0x820
[  247.166240]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.171649]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.176620]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.181519]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.186558]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  247.191606]  ? prepare_exit_to_usermode+0x291/0x3b0
[  247.196646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.201514]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  247.206915] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  247.207027] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.213865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.213871] Call Trace:
[  247.213879]  <IRQ>
[  247.213904]  dump_stack+0x244/0x39d
[  247.213925]  ? dump_stack_print_info.cold.1+0x20/0x20
[  247.220479] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.229810]  warn_alloc.cold.116+0xb7/0x1bd
[  247.232370] syz-executor3 cpuset=syz3 mems_allowed=0
[  247.234523]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.268123]  ? lock_downgrade+0x900/0x900
[  247.272302]  ? trace_hardirqs_off+0xb8/0x310
[  247.276725]  ? trace_hardirqs_off+0xb8/0x310
[  247.281242]  __alloc_pages_slowpath+0x26e8/0x2e10
[  247.286130]  ? warn_alloc+0x120/0x120
[  247.289951]  ? print_usage_bug+0xc0/0xc0
[  247.294024]  ? warn_alloc+0x120/0x120
[  247.297843]  ? warn_alloc+0x120/0x120
[  247.301652]  ? print_usage_bug+0xc0/0xc0
[  247.305727]  ? print_usage_bug+0xc0/0xc0
[  247.309794]  ? __lock_acquire+0x62f/0x4c20
[  247.314069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.319626]  ? should_fail+0x22d/0xd01
[  247.323526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.328633]  ? __lock_acquire+0x62f/0x4c20
[  247.332906]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.338011]  ? __lock_acquire+0x62f/0x4c20
[  247.342256]  ? should_fail+0x22d/0xd01
[  247.346154]  ? find_held_lock+0x36/0x1c0
[  247.350230]  ? mark_held_locks+0x130/0x130
[  247.354504]  ? mark_held_locks+0x130/0x130
[  247.358739]  ? zap_class+0x640/0x640
[  247.362465]  ? zap_class+0x640/0x640
[  247.366188]  ? print_usage_bug+0xc0/0xc0
[  247.370252]  ? do_raw_spin_unlock+0xa7/0x330
[  247.374672]  ? zap_class+0x640/0x640
[  247.378394]  ? print_usage_bug+0xc0/0xc0
[  247.382466]  ? wq_watchdog_touch+0x9c/0xfe
[  247.386736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.392320]  ? check_preemption_disabled+0x48/0x280
[  247.397359]  ? __lock_is_held+0xb5/0x140
[  247.401436]  __alloc_pages_nodemask+0xa80/0xde0
[  247.406127]  ? zap_class+0x640/0x640
[  247.409859]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  247.414896]  ? find_held_lock+0x36/0x1c0
[  247.418974]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.423659]  ? lock_downgrade+0x900/0x900
[  247.427820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.433372]  cache_grow_begin+0xa5/0x8c0
[  247.437436]  ? do_raw_spin_unlock+0xa7/0x330
[  247.441860]  fallback_alloc+0x204/0x2e0
[  247.445854]  ____cache_alloc_node+0x1c7/0x1e0
[  247.450362]  kmem_cache_alloc_node+0xe3/0x730
[  247.454860]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.459121]  __alloc_skb+0x119/0x770
[  247.462870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.468154]  ? netdev_alloc_frag+0x1f0/0x1f0
[  247.472566]  ? lock_downgrade+0x900/0x900
[  247.476733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.482274]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.487740]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.493198]  ? addrconf_rs_timer+0x690/0x690
[  247.497623]  ndisc_alloc_skb+0x144/0x340
[  247.501704]  ndisc_send_rs+0x331/0x6e0
[  247.505610]  addrconf_rs_timer+0x314/0x690
[  247.509861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.514126]  call_timer_fn+0x272/0x920
[  247.518024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.522263]  ? process_timeout+0x40/0x40
[  247.526360]  ? mark_held_locks+0xc7/0x130
[  247.530535]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.535033]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.539531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.543791]  ? lockdep_hardirqs_on+0x296/0x5b0
[  247.548400]  ? trace_hardirqs_on+0xbd/0x310
[  247.552726]  ? kasan_check_read+0x11/0x20
[  247.556881]  ? __run_timers+0x7da/0xc70
[  247.560869]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.565988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.570243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.574489]  __run_timers+0x7e5/0xc70
[  247.578319]  ? timer_fixup_init+0x70/0x70
[  247.582476]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  247.587531]  ? zap_class+0x640/0x640
[  247.591253]  ? print_usage_bug+0xc0/0xc0
[  247.595326]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.600547]  ? find_held_lock+0x36/0x1c0
[  247.604626]  ? zap_class+0x640/0x640
[  247.608358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.613940]  ? check_preemption_disabled+0x48/0x280
[  247.618973]  ? __lock_is_held+0xb5/0x140
[  247.623040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.628606]  ? check_preemption_disabled+0x48/0x280
[  247.633634]  run_timer_softirq+0x52/0xb0
[  247.637706]  ? rcu_read_lock_sched_held+0x14f/0x180
[  247.642730]  __do_softirq+0x308/0xb7e
[  247.646544]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  247.651041]  ? lock_downgrade+0x900/0x900
[  247.655210]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  247.660332]  ? pvclock_read_flags+0x160/0x160
[  247.664836]  ? lapic_next_event+0x5a/0x90
[  247.668991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.674544]  ? kvm_clock_read+0x18/0x30
[  247.678521]  ? kvm_sched_clock_read+0x9/0x20
[  247.682949]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.688512]  ? check_preemption_disabled+0x48/0x280
[  247.693541]  irq_exit+0x17f/0x1c0
[  247.697003]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.701848]  ? smp_reschedule_interrupt+0x109/0x650
[  247.706875]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.712774]  ? interrupt_entry+0xb5/0xc0
[  247.716867]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.721885]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.726909]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.731759]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.736776]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.741804]  ? task_prio+0x50/0x50
[  247.745353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.750899]  ? check_preemption_disabled+0x48/0x280
[  247.755929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.760792]  apic_timer_interrupt+0xf/0x20
[  247.765022]  </IRQ>
[  247.767275] RIP: 0010:dump_stack+0x358/0x39d
[  247.771706] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  247.790644] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  247.798371] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  247.805640] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  247.812909] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  247.820182] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  247.827466] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  247.834769]  ? dump_stack+0x34f/0x39d
[  247.838587]  ? dump_stack_print_info.cold.1+0x20/0x20
[  247.843786]  ? mark_held_locks+0x130/0x130
[  247.848027]  ? mark_held_locks+0x130/0x130
[  247.852279]  dump_header+0x27b/0xf72
[  247.856008]  ? pagefault_out_of_memory+0x197/0x197
[  247.860962]  ? __lock_acquire+0x62f/0x4c20
[  247.865222]  ? percpu_ref_get_many+0x240/0x240
[  247.869818]  ? print_usage_bug+0xc0/0xc0
[  247.873898]  ? zap_class+0x640/0x640
[  247.877621]  ? print_usage_bug+0xc0/0xc0
[  247.881683]  ? print_usage_bug+0xc0/0xc0
[  247.885754]  ? zap_class+0x640/0x640
[  247.889476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.895024]  ? find_held_lock+0x36/0x1c0
[  247.899131]  ? mark_held_locks+0xc7/0x130
[  247.903289]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  247.908401]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  247.913518]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  247.918123]  ? trace_hardirqs_on+0xbd/0x310
[  247.922458]  ? kasan_check_read+0x11/0x20
[  247.926609]  ? ___ratelimit+0x3b4/0x672
[  247.930588]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.935698]  ? trace_hardirqs_on+0x310/0x310
[  247.940125]  ? lock_downgrade+0x900/0x900
[  247.944282]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.949402]  ? ___ratelimit+0x3b9/0x672
[  247.953388]  ? idr_get_free+0xf70/0xf70
[  247.957373]  ? find_held_lock+0x36/0x1c0
[  247.961446]  oom_kill_process.cold.27+0x10/0x903
[  247.966213]  ? zap_class+0x640/0x640
[  247.969947]  ? check_preemption_disabled+0x48/0x280
[  247.974983]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  247.979927]  ? kasan_check_read+0x11/0x20
[  247.984110]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.989400]  ? oom_evaluate_task+0x540/0x540
[  247.993823]  ? find_held_lock+0x36/0x1c0
[  247.997916]  ? out_of_memory+0x974/0x1430
[  248.002071]  ? lock_downgrade+0x900/0x900
[  248.006261]  ? check_preemption_disabled+0x48/0x280
[  248.011294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.016230]  ? kasan_check_read+0x11/0x20
[  248.020396]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.025677]  ? rcu_softirq_qs+0x20/0x20
[  248.029669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.035212]  ? oom_evaluate_task+0x302/0x540
[  248.039632]  out_of_memory+0xa84/0x1430
[  248.043623]  ? oom_killer_disable+0x3a0/0x3a0
[  248.048136]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  248.053083]  ? __ww_mutex_check_waiters+0x160/0x160
[  248.058146]  __alloc_pages_slowpath+0x2354/0x2e10
[  248.063031]  ? warn_alloc+0x120/0x120
[  248.066855]  ? mark_held_locks+0x130/0x130
[  248.071147]  ? find_get_entry+0xaae/0x1120
[  248.075411]  ? filemap_map_pages+0x1a20/0x1a20
[  248.080002]  ? zap_class+0x640/0x640
[  248.083734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.089279]  ? check_preemption_disabled+0x48/0x280
[  248.094318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.099900]  ? should_fail+0x22d/0xd01
[  248.103815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.108929]  ? zap_class+0x640/0x640
[  248.112672]  ? __lock_is_held+0xb5/0x140
[  248.116746]  ? mark_held_locks+0x130/0x130
[  248.120994]  ? lock_release+0xa00/0xa00
[  248.124972]  ? perf_trace_sched_process_exec+0x860/0x860
[  248.130430]  ? xa_load+0x2ba/0x460
[  248.133980]  ? lock_downgrade+0x900/0x900
[  248.138139]  ? __might_sleep+0x95/0x190
[  248.142146]  __alloc_pages_nodemask+0xa80/0xde0
[  248.146834]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  248.151857]  ? __page_cache_alloc+0x191/0x5c0
[  248.156357]  ? xa_load+0x2e1/0x460
[  248.159932]  ? xa_clear_mark+0x40/0x40
[  248.163828]  ? zap_class+0x640/0x640
[  248.167550]  ? zap_class+0x640/0x640
[  248.171270]  ? zap_class+0x640/0x640
[  248.174996]  ? __do_page_cache_readahead+0x663/0x810
[  248.180126]  ? find_held_lock+0x36/0x1c0
[  248.184200]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  248.189758]  alloc_pages_current+0x173/0x350
[  248.194184]  __page_cache_alloc+0x38c/0x5c0
[  248.198526]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.203460]  ? kasan_check_read+0x11/0x20
[  248.207626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.212913]  ? generic_perform_write+0x6a0/0x6a0
[  248.217677]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.223250]  ? check_preemption_disabled+0x48/0x280
[  248.228286]  filemap_fault+0x1595/0x25f0
[  248.232365]  ? __lock_page_or_retry+0xa00/0xa00
[  248.237043]  ? mark_held_locks+0x130/0x130
[  248.241311]  ? filemap_map_pages+0xd6b/0x1a20
[  248.245812]  ? lock_downgrade+0x900/0x900
[  248.249994]  ? check_preemption_disabled+0x48/0x280
[  248.255018]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.259952]  ? kasan_check_read+0x11/0x20
[  248.264120]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.269400]  ? rcu_softirq_qs+0x20/0x20
[  248.273395]  ? filemap_map_pages+0xd92/0x1a20
[  248.277909]  ? find_get_entries_tag+0x1400/0x1400
[  248.282776]  ? debug_object_destroy+0x2b0/0x2b0
[  248.287458]  ? lock_pi_update_atomic+0x150/0x150
[  248.292225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.297793]  ? lock_acquire+0x1ed/0x520
[  248.301794]  ? ext4_filemap_fault+0x7a/0xad
[  248.306134]  ? lock_release+0xa00/0xa00
[  248.310147]  ? perf_trace_sched_process_exec+0x860/0x860
[  248.315608]  ? print_usage_bug+0xc0/0xc0
[  248.320189]  ? print_usage_bug+0xc0/0xc0
[  248.324272]  ? down_read+0x8d/0x120
[  248.327906]  ? ext4_filemap_fault+0x7a/0xad
[  248.332285]  ? __down_interruptible+0x700/0x700
[  248.336972]  ext4_filemap_fault+0x82/0xad
[  248.341160]  __do_fault+0x100/0x6b0
[  248.344853]  ? pmd_devmap_trans_unstable+0x220/0x220
[  248.349980]  ? mark_held_locks+0x130/0x130
[  248.354219]  ? mark_held_locks+0x130/0x130
[  248.358478]  ? debug_smp_processor_id+0x1c/0x20
[  248.363162]  ? perf_trace_lock+0x14d/0x7a0
[  248.367404]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  248.373039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.378600]  __handle_mm_fault+0x3ea0/0x5be0
[  248.383029]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  248.387894]  ? lock_is_held_type+0x210/0x210
[  248.392321]  ? file_remove_privs+0x540/0x540
[  248.396752]  ? zap_class+0x640/0x640
[  248.400469]  ? zap_class+0x640/0x640
[  248.404232]  ? __x64_sys_futex+0x53e/0x6a0
[  248.408480]  ? find_held_lock+0x36/0x1c0
[  248.412558]  ? handle_mm_fault+0x42a/0xc70
[  248.416805]  ? lock_downgrade+0x900/0x900
[  248.420965]  ? check_preemption_disabled+0x48/0x280
[  248.425997]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.430932]  ? kasan_check_read+0x11/0x20
[  248.435100]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.440385]  ? rcu_softirq_qs+0x20/0x20
[  248.444368]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.449799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.455343]  ? check_preemption_disabled+0x48/0x280
[  248.460376]  handle_mm_fault+0x54f/0xc70
[  248.464444]  ? __handle_mm_fault+0x5be0/0x5be0
[  248.469047]  ? find_vma+0x34/0x190
[  248.472644]  __do_page_fault+0x5e8/0xe60
[  248.476731]  ? trace_hardirqs_off+0xb8/0x310
[  248.481180]  do_page_fault+0xf2/0x7e0
[  248.484992]  ? vmalloc_sync_all+0x30/0x30
[  248.489154]  ? error_entry+0x70/0xd0
[  248.492893]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.497923]  ? trace_hardirqs_on_caller+0xc0/0x310
[  248.502872]  ? syscall_return_slowpath+0x5e0/0x5e0
[  248.507814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.512675]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.517711]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.523191]  ? prepare_exit_to_usermode+0x291/0x3b0
[  248.528219]  ? page_fault+0x8/0x30
[  248.531770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.536621]  ? page_fault+0x8/0x30
[  248.540166]  page_fault+0x1e/0x30
[  248.543625] RIP: 0033:0x40f9c0
[  248.546838] Code: Bad RIP value.
[  248.550213] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  248.555585] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  248.562858] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  248.570144] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  248.577420] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  248.584691] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  248.592004] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  248.592010] warn_alloc_show_mem: 1 callbacks suppressed
[  248.592017] Mem-Info:
[  248.599222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.604610] active_anon:50082 inactive_anon:201 isolated_anon:0
[  248.604610]  active_file:11 inactive_file:13 isolated_file:0
[  248.604610]  unevictable:0 dirty:0 writeback:0 unstable:0
[  248.604610]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  248.604610]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  248.604610]  free:13738 free_pcp:300 free_cma:0
[  248.607031] Call Trace:
[  248.616428] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  248.649319]  <IRQ>
[  248.651917] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  248.679446]  dump_stack+0x244/0x39d
[  248.681571] lowmem_reserve[]: 0 2818 6321 6321
[  248.707721]  ? dump_stack_print_info.cold.1+0x20/0x20
[  248.711328] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  248.715918]  warn_alloc.cold.116+0xb7/0x1bd
[  248.721096] lowmem_reserve[]: 0 0 3503 3503
[  248.748729]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.753045] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  248.757367]  ? lock_downgrade+0x900/0x900
[  248.762177] lowmem_reserve[]: 0 0 0 0
[  248.791126]  ? trace_hardirqs_off+0xb8/0x310
[  248.795259] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  248.799058]  ? trace_hardirqs_off+0xb8/0x310
[  248.803440] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  248.816985]  __alloc_pages_slowpath+0x26e8/0x2e10
[  248.821369] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  248.836508]  ? warn_alloc+0x120/0x120
[  248.841318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  248.855896]  ? print_usage_bug+0xc0/0xc0
[  248.859684] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  248.868516]  ? warn_alloc+0x120/0x120
[  248.872553] 268 total pagecache pages
[  248.881143]  ? warn_alloc+0x120/0x120
[  248.884922] 0 pages in swap cache
[  248.888724]  ? print_usage_bug+0xc0/0xc0
[  248.892503] Swap cache stats: add 0, delete 0, find 0/0
[  248.895954]  ? print_usage_bug+0xc0/0xc0
[  248.899990] Free swap  = 0kB
[  248.905385]  ? __lock_acquire+0x62f/0x4c20
[  248.909421] Total swap = 0kB
[  248.912442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.916648] 1965979 pages RAM
[  248.919671]  ? should_fail+0x22d/0xd01
[  248.925183] 0 pages HighMem/MovableOnly
[  248.928289]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.932152] 342853 pages reserved
[  248.932161] 0 pages cma reserved
[  248.936136]  ? __lock_acquire+0x62f/0x4c20
[  248.941299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.944670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.944685]  ? __lock_acquire+0x62f/0x4c20
[  248.944702]  ? should_fail+0x22d/0xd01
[  248.948154] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.952313]  ? find_held_lock+0x36/0x1c0
[  248.958781] syz-fuzzer cpuset=/ mems_allowed=0
[  248.963900]  ? mark_held_locks+0x130/0x130
[  248.995100]  ? mark_held_locks+0x130/0x130
[  248.999352]  ? zap_class+0x640/0x640
[  249.003090]  ? zap_class+0x640/0x640
[  249.006836]  ? print_usage_bug+0xc0/0xc0
[  249.010939]  ? do_raw_spin_unlock+0xa7/0x330
[  249.015386]  ? zap_class+0x640/0x640
[  249.019119]  ? print_usage_bug+0xc0/0xc0
[  249.023197]  ? wq_watchdog_touch+0x9c/0xfe
[  249.027447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.033000]  ? check_preemption_disabled+0x48/0x280
[  249.038051]  ? __lock_is_held+0xb5/0x140
[  249.042146]  __alloc_pages_nodemask+0xa80/0xde0
[  249.046836]  ? zap_class+0x640/0x640
[  249.050566]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  249.055610]  ? find_held_lock+0x36/0x1c0
[  249.059689]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.064366]  ? lock_downgrade+0x900/0x900
[  249.068526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.074087]  cache_grow_begin+0xa5/0x8c0
[  249.078168]  ? do_raw_spin_unlock+0xa7/0x330
[  249.082615]  fallback_alloc+0x204/0x2e0
[  249.086605]  ____cache_alloc_node+0x1c7/0x1e0
[  249.091152]  kmem_cache_alloc_node+0xe3/0x730
[  249.095660]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.099924]  __alloc_skb+0x119/0x770
[  249.103650]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.108964]  ? netdev_alloc_frag+0x1f0/0x1f0
[  249.113379]  ? lock_downgrade+0x900/0x900
[  249.117538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.123089]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.128635]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.134122]  ? addrconf_rs_timer+0x690/0x690
[  249.138550]  ndisc_alloc_skb+0x144/0x340
[  249.142621]  ndisc_send_rs+0x331/0x6e0
[  249.146531]  addrconf_rs_timer+0x314/0x690
[  249.150778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.155030]  call_timer_fn+0x272/0x920
[  249.158924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.163180]  ? process_timeout+0x40/0x40
[  249.167250]  ? __run_timers+0x7da/0xc70
[  249.171230]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.175728]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.180228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.184482]  ? lockdep_hardirqs_on+0x296/0x5b0
[  249.189070]  ? trace_hardirqs_on+0xbd/0x310
[  249.193408]  ? kasan_check_read+0x11/0x20
[  249.197559]  ? __run_timers+0x7da/0xc70
[  249.201542]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.206658]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.210902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.215169]  __run_timers+0x7e5/0xc70
[  249.218998]  ? timer_fixup_init+0x70/0x70
[  249.223151]  ? kasan_check_read+0x11/0x20
[  249.227302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.232591]  ? rcu_softirq_qs+0x20/0x20
[  249.236576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.242126]  ? check_preemption_disabled+0x48/0x280
[  249.247170]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.251972]  ? retint_kernel+0x2d/0x2d
[  249.255868]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.260803]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.265570]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.271030]  ? zap_class+0x640/0x640
[  249.274837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.280392]  ? check_preemption_disabled+0x48/0x280
[  249.285490]  ? __lock_is_held+0xb5/0x140
[  249.289577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.295125]  ? check_preemption_disabled+0x48/0x280
[  249.300163]  run_timer_softirq+0x52/0xb0
[  249.304254]  ? rcu_read_lock_sched_held+0x14f/0x180
[  249.309276]  __do_softirq+0x308/0xb7e
[  249.313095]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  249.317604]  ? lock_downgrade+0x900/0x900
[  249.321762]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  249.326889]  ? pvclock_read_flags+0x160/0x160
[  249.331422]  ? lapic_next_event+0x5a/0x90
[  249.335591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.341176]  ? kvm_clock_read+0x18/0x30
[  249.345155]  ? kvm_sched_clock_read+0x9/0x20
[  249.349568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.355154]  ? check_preemption_disabled+0x48/0x280
[  249.360193]  irq_exit+0x17f/0x1c0
[  249.363669]  smp_apic_timer_interrupt+0x1cb/0x760
[  249.368511]  ? smp_reschedule_interrupt+0x109/0x650
[  249.373549]  ? smp_call_function_single_interrupt+0x650/0x650
[  249.379470]  ? interrupt_entry+0xb5/0xc0
[  249.383581]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.388612]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.393643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.398508]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.403533]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.408552]  ? task_prio+0x50/0x50
[  249.412126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.417676]  ? check_preemption_disabled+0x48/0x280
[  249.422726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.427598]  apic_timer_interrupt+0xf/0x20
[  249.431839]  </IRQ>
[  249.434088] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  249.439022] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  249.457935] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  249.465703] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  249.472981] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  249.480263] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  249.487532] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  249.494806] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  249.502126]  skb_clone+0x1bb/0x500
[  249.505703]  ? finish_task_switch+0x1b4/0x910
[  249.510199]  ? skb_split+0x11e0/0x11e0
[  249.514098]  ? preempt_notifier_register+0x200/0x200
[  249.519202]  ? __switch_to_asm+0x34/0x70
[  249.523281]  ? __switch_to_asm+0x34/0x70
[  249.527357]  ? __switch_to_asm+0x40/0x70
[  249.531418]  ? __switch_to_asm+0x34/0x70
[  249.535483]  ? __switch_to_asm+0x40/0x70
[  249.539563]  ? __switch_to_asm+0x34/0x70
[  249.543642]  ? __switch_to_asm+0x40/0x70
[  249.547699]  ? __switch_to_asm+0x34/0x70
[  249.551760]  ? __switch_to_asm+0x34/0x70
[  249.555829]  ? __switch_to_asm+0x40/0x70
[  249.559900]  ? __switch_to_asm+0x34/0x70
[  249.563968]  bpf_clone_redirect+0xb9/0x490
[  249.568208]  ? __schedule+0x8d7/0x21d0
[  249.572141]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  249.577181]  ? __sched_text_start+0x8/0x8
[  249.581370]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  249.585951]  ? retint_kernel+0x2d/0x2d
[  249.589850]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.594786]  ? find_held_lock+0x36/0x1c0
[  249.598852]  ? lock_acquire+0x1ed/0x520
[  249.602831]  ? bpf_test_run+0x3cb/0x780
[  249.606858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.612400]  ? check_preemption_disabled+0x48/0x280
[  249.617427]  ? kasan_check_read+0x11/0x20
[  249.621578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.626864]  ? rcu_softirq_qs+0x20/0x20
[  249.630863]  ? preempt_schedule+0x4d/0x60
[  249.635044]  ? ___preempt_schedule+0x16/0x18
[  249.639494]  ? bpf_test_run+0x25d/0x780
[  249.643482]  ? netlink_diag_dump+0x2a0/0x2a0
[  249.647897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.653438]  ? bpf_test_init.isra.10+0x70/0x100
[  249.658122]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  249.662890]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  249.667733]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  249.673286]  ? fput+0x130/0x1a0
[  249.676569]  ? __bpf_prog_get+0x9b/0x290
[  249.680638]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  249.685494]  ? bpf_prog_test_run+0x130/0x1a0
[  249.689924]  ? __x64_sys_bpf+0x3d8/0x520
[  249.693985]  ? bpf_prog_get+0x20/0x20
[  249.697826]  ? do_syscall_64+0x1b9/0x820
[  249.701903]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  249.707304]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.712239]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.717096]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.722126]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  249.727148]  ? prepare_exit_to_usermode+0x291/0x3b0
[  249.732193]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.737091]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  249.742483] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  249.742600] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.749426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.749432] Call Trace:
[  249.749440]  <IRQ>
[  249.749460]  dump_stack+0x244/0x39d
[  249.749479]  ? dump_stack_print_info.cold.1+0x20/0x20
[  249.756055] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.765324]  warn_alloc.cold.116+0xb7/0x1bd
[  249.767878] syz-executor3 cpuset=syz3 mems_allowed=0
[  249.770027]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.803559]  ? lock_downgrade+0x900/0x900
[  249.807741]  ? trace_hardirqs_off+0xb8/0x310
[  249.812167]  ? trace_hardirqs_off+0xb8/0x310
[  249.816596]  __alloc_pages_slowpath+0x26e8/0x2e10
[  249.821500]  ? warn_alloc+0x120/0x120
[  249.825308]  ? print_usage_bug+0xc0/0xc0
[  249.829379]  ? warn_alloc+0x120/0x120
[  249.833188]  ? warn_alloc+0x120/0x120
[  249.836993]  ? print_usage_bug+0xc0/0xc0
[  249.841060]  ? print_usage_bug+0xc0/0xc0
[  249.845142]  ? __lock_acquire+0x62f/0x4c20
[  249.849392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.854935]  ? should_fail+0x22d/0xd01
[  249.858829]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.863931]  ? __lock_acquire+0x62f/0x4c20
[  249.868187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.873290]  ? __lock_acquire+0x62f/0x4c20
[  249.877538]  ? should_fail+0x22d/0xd01
[  249.881429]  ? find_held_lock+0x36/0x1c0
[  249.885510]  ? mark_held_locks+0x130/0x130
[  249.889768]  ? mark_held_locks+0x130/0x130
[  249.894033]  ? zap_class+0x640/0x640
[  249.897785]  ? zap_class+0x640/0x640
[  249.901533]  ? print_usage_bug+0xc0/0xc0
[  249.905623]  ? do_raw_spin_unlock+0xa7/0x330
[  249.910033]  ? zap_class+0x640/0x640
[  249.913755]  ? print_usage_bug+0xc0/0xc0
[  249.917822]  ? wq_watchdog_touch+0x9c/0xfe
[  249.922061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.927645]  ? check_preemption_disabled+0x48/0x280
[  249.932685]  ? __lock_is_held+0xb5/0x140
[  249.936755]  __alloc_pages_nodemask+0xa80/0xde0
[  249.941426]  ? zap_class+0x640/0x640
[  249.945158]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  249.950191]  ? find_held_lock+0x36/0x1c0
[  249.954278]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.958960]  ? lock_downgrade+0x900/0x900
[  249.963138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.968730]  cache_grow_begin+0xa5/0x8c0
[  249.972793]  ? do_raw_spin_unlock+0xa7/0x330
[  249.977211]  fallback_alloc+0x204/0x2e0
[  249.981203]  ____cache_alloc_node+0x1c7/0x1e0
[  249.985711]  kmem_cache_alloc_node+0xe3/0x730
[  249.990210]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.994458]  __alloc_skb+0x119/0x770
[  249.998173]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.003470]  ? netdev_alloc_frag+0x1f0/0x1f0
[  250.007882]  ? lock_downgrade+0x900/0x900
[  250.012039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.017596]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.023062]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.028546]  ? addrconf_rs_timer+0x690/0x690
[  250.032981]  ndisc_alloc_skb+0x144/0x340
[  250.037063]  ndisc_send_rs+0x331/0x6e0
[  250.040973]  addrconf_rs_timer+0x314/0x690
[  250.045219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.049468]  call_timer_fn+0x272/0x920
[  250.053362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.057619]  ? process_timeout+0x40/0x40
[  250.061696]  ? mark_held_locks+0xc7/0x130
[  250.065868]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.070363]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.074862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.079121]  ? lockdep_hardirqs_on+0x296/0x5b0
[  250.083713]  ? trace_hardirqs_on+0xbd/0x310
[  250.088035]  ? kasan_check_read+0x11/0x20
[  250.092204]  ? __run_timers+0x7da/0xc70
[  250.096181]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.101298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.105558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.109798]  __run_timers+0x7e5/0xc70
[  250.113612]  ? timer_fixup_init+0x70/0x70
[  250.117765]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.122787]  ? zap_class+0x640/0x640
[  250.126509]  ? print_usage_bug+0xc0/0xc0
[  250.130612]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.135831]  ? find_held_lock+0x36/0x1c0
[  250.139906]  ? zap_class+0x640/0x640
[  250.143624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.149164]  ? check_preemption_disabled+0x48/0x280
[  250.154214]  ? __lock_is_held+0xb5/0x140
[  250.158279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.163820]  ? check_preemption_disabled+0x48/0x280
[  250.168841]  run_timer_softirq+0x52/0xb0
[  250.172903]  ? rcu_read_lock_sched_held+0x14f/0x180
[  250.177922]  __do_softirq+0x308/0xb7e
[  250.181745]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.186257]  ? lock_downgrade+0x900/0x900
[  250.190413]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  250.195524]  ? pvclock_read_flags+0x160/0x160
[  250.200033]  ? lapic_next_event+0x5a/0x90
[  250.204187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.209731]  ? kvm_clock_read+0x18/0x30
[  250.213707]  ? kvm_sched_clock_read+0x9/0x20
[  250.218128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.223708]  ? check_preemption_disabled+0x48/0x280
[  250.228737]  irq_exit+0x17f/0x1c0
[  250.232197]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.237061]  ? smp_reschedule_interrupt+0x109/0x650
[  250.242118]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.248018]  ? interrupt_entry+0xb5/0xc0
[  250.252140]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.257158]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.262183]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.267031]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.272098]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.277171]  ? task_prio+0x50/0x50
[  250.280743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.286318]  ? check_preemption_disabled+0x48/0x280
[  250.291346]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.296211]  apic_timer_interrupt+0xf/0x20
[  250.300442]  </IRQ>
[  250.302714] RIP: 0010:dump_stack+0x358/0x39d
[  250.307159] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  250.326607] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  250.334339] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  250.341606] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  250.348875] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  250.356156] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  250.363450] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  250.370746]  ? dump_stack+0x34f/0x39d
[  250.374563]  ? dump_stack_print_info.cold.1+0x20/0x20
[  250.379778]  ? mark_held_locks+0x130/0x130
[  250.384036]  ? mark_held_locks+0x130/0x130
[  250.388278]  dump_header+0x27b/0xf72
[  250.392024]  ? pagefault_out_of_memory+0x197/0x197
[  250.396977]  ? __lock_acquire+0x62f/0x4c20
[  250.401216]  ? percpu_ref_get_many+0x240/0x240
[  250.405804]  ? print_usage_bug+0xc0/0xc0
[  250.409878]  ? zap_class+0x640/0x640
[  250.413596]  ? print_usage_bug+0xc0/0xc0
[  250.417657]  ? print_usage_bug+0xc0/0xc0
[  250.421751]  ? zap_class+0x640/0x640
[  250.425492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.431038]  ? find_held_lock+0x36/0x1c0
[  250.435137]  ? mark_held_locks+0xc7/0x130
[  250.439295]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  250.444401]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  250.449669]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  250.454305]  ? trace_hardirqs_on+0xbd/0x310
[  250.458641]  ? kasan_check_read+0x11/0x20
[  250.462793]  ? ___ratelimit+0x3b4/0x672
[  250.466804]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.471927]  ? trace_hardirqs_on+0x310/0x310
[  250.476341]  ? lock_downgrade+0x900/0x900
[  250.480513]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.485618]  ? ___ratelimit+0x3b9/0x672
[  250.489606]  ? idr_get_free+0xf70/0xf70
[  250.493587]  ? find_held_lock+0x36/0x1c0
[  250.497666]  oom_kill_process.cold.27+0x10/0x903
[  250.502455]  ? zap_class+0x640/0x640
[  250.506172]  ? check_preemption_disabled+0x48/0x280
[  250.511210]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.516164]  ? kasan_check_read+0x11/0x20
[  250.520323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.525650]  ? oom_evaluate_task+0x540/0x540
[  250.530081]  ? find_held_lock+0x36/0x1c0
[  250.534189]  ? out_of_memory+0x974/0x1430
[  250.538341]  ? lock_downgrade+0x900/0x900
[  250.542492]  ? check_preemption_disabled+0x48/0x280
[  250.547512]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.552472]  ? kasan_check_read+0x11/0x20
[  250.556634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.561917]  ? rcu_softirq_qs+0x20/0x20
[  250.565901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.571434]  ? oom_evaluate_task+0x302/0x540
[  250.575854]  out_of_memory+0xa84/0x1430
[  250.579841]  ? oom_killer_disable+0x3a0/0x3a0
[  250.584341]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  250.589322]  ? __ww_mutex_check_waiters+0x160/0x160
[  250.594352]  __alloc_pages_slowpath+0x2354/0x2e10
[  250.599244]  ? warn_alloc+0x120/0x120
[  250.603062]  ? mark_held_locks+0x130/0x130
[  250.607347]  ? find_get_entry+0xaae/0x1120
[  250.611604]  ? filemap_map_pages+0x1a20/0x1a20
[  250.616198]  ? zap_class+0x640/0x640
[  250.619922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.625476]  ? check_preemption_disabled+0x48/0x280
[  250.630510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.636090]  ? should_fail+0x22d/0xd01
[  250.639983]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.645118]  ? zap_class+0x640/0x640
[  250.648879]  ? __lock_is_held+0xb5/0x140
[  250.652962]  ? mark_held_locks+0x130/0x130
[  250.657203]  ? lock_release+0xa00/0xa00
[  250.661180]  ? perf_trace_sched_process_exec+0x860/0x860
[  250.666648]  ? xa_load+0x2ba/0x460
[  250.670197]  ? lock_downgrade+0x900/0x900
[  250.674353]  ? __might_sleep+0x95/0x190
[  250.678338]  __alloc_pages_nodemask+0xa80/0xde0
[  250.683018]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  250.688041]  ? __page_cache_alloc+0x191/0x5c0
[  250.692549]  ? xa_load+0x2e1/0x460
[  250.696122]  ? xa_clear_mark+0x40/0x40
[  250.700031]  ? zap_class+0x640/0x640
[  250.703755]  ? zap_class+0x640/0x640
[  250.707476]  ? zap_class+0x640/0x640
[  250.711202]  ? __do_page_cache_readahead+0x663/0x810
[  250.716313]  ? find_held_lock+0x36/0x1c0
[  250.720388]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  250.725952]  alloc_pages_current+0x173/0x350
[  250.730373]  __page_cache_alloc+0x38c/0x5c0
[  250.734696]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.739662]  ? kasan_check_read+0x11/0x20
[  250.743814]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.749109]  ? generic_perform_write+0x6a0/0x6a0
[  250.753873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.759432]  ? check_preemption_disabled+0x48/0x280
[  250.764463]  filemap_fault+0x1595/0x25f0
[  250.768562]  ? __lock_page_or_retry+0xa00/0xa00
[  250.773239]  ? mark_held_locks+0x130/0x130
[  250.777501]  ? filemap_map_pages+0xd6b/0x1a20
[  250.782029]  ? lock_downgrade+0x900/0x900
[  250.786183]  ? check_preemption_disabled+0x48/0x280
[  250.791215]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.796148]  ? kasan_check_read+0x11/0x20
[  250.800300]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.805590]  ? rcu_softirq_qs+0x20/0x20
[  250.809595]  ? filemap_map_pages+0xd92/0x1a20
[  250.814129]  ? find_get_entries_tag+0x1400/0x1400
[  250.818980]  ? debug_object_destroy+0x2b0/0x2b0
[  250.823680]  ? lock_pi_update_atomic+0x150/0x150
[  250.828444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.834000]  ? lock_acquire+0x1ed/0x520
[  250.837989]  ? ext4_filemap_fault+0x7a/0xad
[  250.842328]  ? lock_release+0xa00/0xa00
[  250.846301]  ? perf_trace_sched_process_exec+0x860/0x860
[  250.851764]  ? print_usage_bug+0xc0/0xc0
[  250.855829]  ? print_usage_bug+0xc0/0xc0
[  250.859907]  ? down_read+0x8d/0x120
[  250.863541]  ? ext4_filemap_fault+0x7a/0xad
[  250.867897]  ? __down_interruptible+0x700/0x700
[  250.872576]  ext4_filemap_fault+0x82/0xad
[  250.876736]  __do_fault+0x100/0x6b0
[  250.880371]  ? pmd_devmap_trans_unstable+0x220/0x220
[  250.885480]  ? mark_held_locks+0x130/0x130
[  250.889719]  ? mark_held_locks+0x130/0x130
[  250.893990]  ? debug_smp_processor_id+0x1c/0x20
[  250.898676]  ? perf_trace_lock+0x14d/0x7a0
[  250.902912]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  250.908545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.914116]  __handle_mm_fault+0x3ea0/0x5be0
[  250.918539]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  250.923385]  ? lock_is_held_type+0x210/0x210
[  250.927816]  ? file_remove_privs+0x540/0x540
[  250.932240]  ? zap_class+0x640/0x640
[  250.935971]  ? zap_class+0x640/0x640
[  250.939684]  ? __x64_sys_futex+0x53e/0x6a0
[  250.943932]  ? find_held_lock+0x36/0x1c0
[  250.948006]  ? handle_mm_fault+0x42a/0xc70
[  250.952242]  ? lock_downgrade+0x900/0x900
[  250.956392]  ? check_preemption_disabled+0x48/0x280
[  250.961429]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.966377]  ? kasan_check_read+0x11/0x20
[  250.970541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.975821]  ? rcu_softirq_qs+0x20/0x20
[  250.979818]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.984944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.990481]  ? check_preemption_disabled+0x48/0x280
[  250.995610]  handle_mm_fault+0x54f/0xc70
[  250.999681]  ? __handle_mm_fault+0x5be0/0x5be0
[  251.004272]  ? find_vma+0x34/0x190
[  251.007858]  __do_page_fault+0x5e8/0xe60
[  251.011920]  ? trace_hardirqs_off+0xb8/0x310
[  251.016342]  do_page_fault+0xf2/0x7e0
[  251.020167]  ? vmalloc_sync_all+0x30/0x30
[  251.024333]  ? error_entry+0x70/0xd0
[  251.028070]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.033114]  ? trace_hardirqs_on_caller+0xc0/0x310
[  251.038048]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.042988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.047830]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.052858]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.058315]  ? prepare_exit_to_usermode+0x291/0x3b0
[  251.063382]  ? page_fault+0x8/0x30
[  251.066941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.071785]  ? page_fault+0x8/0x30
[  251.075337]  page_fault+0x1e/0x30
[  251.078789] RIP: 0033:0x40f9c0
[  251.082021] Code: Bad RIP value.
[  251.085382] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  251.090739] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  251.098002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  251.105286] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  251.112554] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  251.119838] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  251.127158] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  251.127164] warn_alloc_show_mem: 1 callbacks suppressed
[  251.127171] Mem-Info:
[  251.134383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.139755] active_anon:50082 inactive_anon:201 isolated_anon:0
[  251.139755]  active_file:11 inactive_file:13 isolated_file:0
[  251.139755]  unevictable:0 dirty:0 writeback:0 unstable:0
[  251.139755]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  251.139755]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  251.139755]  free:13738 free_pcp:300 free_cma:0
[  251.142143] Call Trace:
[  251.151556] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  251.184416]  <IRQ>
[  251.186994] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  251.214521]  dump_stack+0x244/0x39d
[  251.216656] lowmem_reserve[]: 0 2818 6321 6321
[  251.242767]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.246410] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  251.251028]  warn_alloc.cold.116+0xb7/0x1bd
[  251.256194] lowmem_reserve[]: 0 0 3503 3503
[  251.283784]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.288090] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  251.292410]  ? lock_downgrade+0x900/0x900
[  251.297224] lowmem_reserve[]: 0 0 0 0
[  251.326131]  ? trace_hardirqs_off+0xb8/0x310
[  251.330253] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  251.334107]  ? trace_hardirqs_off+0xb8/0x310
[  251.338496] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  251.352051]  __alloc_pages_slowpath+0x26e8/0x2e10
[  251.356447] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  251.371565]  ? warn_alloc+0x120/0x120
[  251.376368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  251.390946]  ? print_usage_bug+0xc0/0xc0
[  251.394735] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  251.403573]  ? warn_alloc+0x120/0x120
[  251.407618] 268 total pagecache pages
[  251.416214]  ? warn_alloc+0x120/0x120
[  251.420006] 0 pages in swap cache
[  251.423794]  ? print_usage_bug+0xc0/0xc0
[  251.427590] Swap cache stats: add 0, delete 0, find 0/0
[  251.431042]  ? kvm_clock_read+0x18/0x30
[  251.435091] Free swap  = 0kB
[  251.440445]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  251.444395] Total swap = 0kB
[  251.447424]  ? print_usage_bug+0xc0/0xc0
[  251.452414] 1965979 pages RAM
[  251.455462]  ? __lock_acquire+0x62f/0x4c20
[  251.459501] 0 pages HighMem/MovableOnly
[  251.462608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.466818] 342853 pages reserved
[  251.470788]  ? should_fail+0x22d/0xd01
[  251.476313] 0 pages cma reserved
[  251.479762]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.483720] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.487008]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.492390] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.498844]  ? __lock_acquire+0x62f/0x4c20
[  251.503920] syz-fuzzer cpuset=/ mems_allowed=0
[  251.514141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.528034]  ? __lock_acquire+0x62f/0x4c20
[  251.532286]  ? should_fail+0x22d/0xd01
[  251.536191]  ? rcu_irq_exit+0x1a2/0x390
[  251.540176]  ? mark_held_locks+0x130/0x130
[  251.544434]  ? mark_held_locks+0x130/0x130
[  251.548673]  ? mark_held_locks+0xc7/0x130
[  251.552862]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  251.557900]  ? zap_class+0x640/0x640
[  251.561617]  ? print_usage_bug+0xc0/0xc0
[  251.565688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.571236]  ? check_preemption_disabled+0x48/0x280
[  251.576270]  ? __lock_is_held+0xb5/0x140
[  251.580355]  __alloc_pages_nodemask+0xa80/0xde0
[  251.585048]  ? zap_class+0x640/0x640
[  251.588781]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  251.593842]  ? find_held_lock+0x36/0x1c0
[  251.597918]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.602617]  ? lock_downgrade+0x900/0x900
[  251.606781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.612342]  cache_grow_begin+0xa5/0x8c0
[  251.616414]  ? do_raw_spin_unlock+0xa7/0x330
[  251.620847]  fallback_alloc+0x204/0x2e0
[  251.624844]  ____cache_alloc_node+0x1c7/0x1e0
[  251.629347]  kmem_cache_alloc_node+0xe3/0x730
[  251.633857]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.638110]  __alloc_skb+0x119/0x770
[  251.641831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.647115]  ? netdev_alloc_frag+0x1f0/0x1f0
[  251.651528]  ? lock_downgrade+0x900/0x900
[  251.655709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.661250]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.666724]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.672189]  ? addrconf_rs_timer+0x690/0x690
[  251.676633]  ndisc_alloc_skb+0x144/0x340
[  251.680707]  ndisc_send_rs+0x331/0x6e0
[  251.684615]  addrconf_rs_timer+0x314/0x690
[  251.688869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.693119]  call_timer_fn+0x272/0x920
[  251.697021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.701279]  ? process_timeout+0x40/0x40
[  251.705350]  ? __run_timers+0x7da/0xc70
[  251.709328]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.713829]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.718357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.722600]  ? lockdep_hardirqs_on+0x296/0x5b0
[  251.727189]  ? trace_hardirqs_on+0xbd/0x310
[  251.731519]  ? kasan_check_read+0x11/0x20
[  251.735673]  ? __run_timers+0x7da/0xc70
[  251.739664]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.744882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.749149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.753383]  __run_timers+0x7e5/0xc70
[  251.757195]  ? timer_fixup_init+0x70/0x70
[  251.761374]  ? kasan_check_read+0x11/0x20
[  251.765533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.770812]  ? rcu_softirq_qs+0x20/0x20
[  251.774811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.780354]  ? check_preemption_disabled+0x48/0x280
[  251.785381]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.790148]  ? retint_kernel+0x2d/0x2d
[  251.794062]  ? trace_hardirqs_on_caller+0xc0/0x310
[  251.799015]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  251.803790]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.809259]  ? zap_class+0x640/0x640
[  251.812983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.818526]  ? check_preemption_disabled+0x48/0x280
[  251.823574]  ? __lock_is_held+0xb5/0x140
[  251.827656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.833206]  ? check_preemption_disabled+0x48/0x280
[  251.838253]  run_timer_softirq+0x52/0xb0
[  251.842325]  ? rcu_read_lock_sched_held+0x14f/0x180
[  251.847346]  __do_softirq+0x308/0xb7e
[  251.851171]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  251.855686]  ? lock_downgrade+0x900/0x900
[  251.859844]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  251.864973]  ? pvclock_read_flags+0x160/0x160
[  251.869475]  ? lapic_next_event+0x5a/0x90
[  251.873635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.879198]  ? kvm_clock_read+0x18/0x30
[  251.883174]  ? kvm_sched_clock_read+0x9/0x20
[  251.887591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.893140]  ? check_preemption_disabled+0x48/0x280
[  251.898168]  irq_exit+0x17f/0x1c0
[  251.901630]  smp_apic_timer_interrupt+0x1cb/0x760
[  251.906488]  ? smp_reschedule_interrupt+0x109/0x650
[  251.911511]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.917406]  ? interrupt_entry+0xb5/0xc0
[  251.921472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.926511]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.931532]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.936388]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.941404]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.946436]  ? task_prio+0x50/0x50
[  251.949993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.955550]  ? check_preemption_disabled+0x48/0x280
[  251.960622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.965482]  apic_timer_interrupt+0xf/0x20
[  251.969716]  </IRQ>
[  251.971958] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  251.976895] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  251.995801] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  252.003506] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  252.010773] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  252.018044] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  252.025320] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  252.032606] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  252.039922]  skb_clone+0x1bb/0x500
[  252.043467]  ? finish_task_switch+0x1b4/0x910
[  252.047966]  ? skb_split+0x11e0/0x11e0
[  252.051858]  ? preempt_notifier_register+0x200/0x200
[  252.056965]  ? __switch_to_asm+0x34/0x70
[  252.061040]  ? __switch_to_asm+0x34/0x70
[  252.065108]  ? __switch_to_asm+0x40/0x70
[  252.069168]  ? __switch_to_asm+0x34/0x70
[  252.073240]  ? __switch_to_asm+0x40/0x70
[  252.077300]  ? __switch_to_asm+0x34/0x70
[  252.081360]  ? __switch_to_asm+0x40/0x70
[  252.085419]  ? __switch_to_asm+0x34/0x70
[  252.089495]  ? __switch_to_asm+0x34/0x70
[  252.093553]  ? __switch_to_asm+0x40/0x70
[  252.097642]  ? __switch_to_asm+0x34/0x70
[  252.101711]  bpf_clone_redirect+0xb9/0x490
[  252.105956]  ? __schedule+0x8d7/0x21d0
[  252.109850]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  252.114888]  ? __sched_text_start+0x8/0x8
[  252.119060]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  252.123807]  ? retint_kernel+0x2d/0x2d
[  252.127698]  ? trace_hardirqs_on_caller+0xc0/0x310
[  252.132647]  ? find_held_lock+0x36/0x1c0
[  252.136720]  ? lock_acquire+0x1ed/0x520
[  252.140698]  ? bpf_test_run+0x3cb/0x780
[  252.144679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.150241]  ? check_preemption_disabled+0x48/0x280
[  252.155265]  ? kasan_check_read+0x11/0x20
[  252.159527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.164816]  ? rcu_softirq_qs+0x20/0x20
[  252.168829]  ? preempt_schedule+0x4d/0x60
[  252.172994]  ? ___preempt_schedule+0x16/0x18
[  252.177429]  ? bpf_test_run+0x25d/0x780
[  252.181430]  ? netlink_diag_dump+0x2a0/0x2a0
[  252.185898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.191440]  ? bpf_test_init.isra.10+0x70/0x100
[  252.196150]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  252.200919]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  252.205767]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.211309]  ? fput+0x130/0x1a0
[  252.214599]  ? __bpf_prog_get+0x9b/0x290
[  252.218673]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  252.223513]  ? bpf_prog_test_run+0x130/0x1a0
[  252.227926]  ? __x64_sys_bpf+0x3d8/0x520
[  252.231990]  ? bpf_prog_get+0x20/0x20
[  252.235818]  ? do_syscall_64+0x1b9/0x820
[  252.239912]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  252.245299]  ? syscall_return_slowpath+0x5e0/0x5e0
[  252.250235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.255097]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.260120]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  252.265143]  ? prepare_exit_to_usermode+0x291/0x3b0
[  252.270169]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.275049]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  252.280470] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  252.280611] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.287421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.287427] Call Trace:
[  252.287435]  <IRQ>
[  252.287453]  dump_stack+0x244/0x39d
[  252.287470]  ? dump_stack_print_info.cold.1+0x20/0x20
[  252.294054] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.303316]  warn_alloc.cold.116+0xb7/0x1bd
[  252.305868] syz-executor3 cpuset=syz3 mems_allowed=0
[  252.308011]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.341848]  ? lock_downgrade+0x900/0x900
[  252.346023]  ? trace_hardirqs_off+0xb8/0x310
[  252.350437]  ? trace_hardirqs_off+0xb8/0x310
[  252.354885]  __alloc_pages_slowpath+0x26e8/0x2e10
[  252.359756]  ? warn_alloc+0x120/0x120
[  252.363563]  ? print_usage_bug+0xc0/0xc0
[  252.367628]  ? warn_alloc+0x120/0x120
[  252.371434]  ? warn_alloc+0x120/0x120
[  252.375253]  ? print_usage_bug+0xc0/0xc0
[  252.379337]  ? print_usage_bug+0xc0/0xc0
[  252.383421]  ? __lock_acquire+0x62f/0x4c20
[  252.387702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.393261]  ? should_fail+0x22d/0xd01
[  252.397155]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.402257]  ? __lock_acquire+0x62f/0x4c20
[  252.406502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.411622]  ? __lock_acquire+0x62f/0x4c20
[  252.415859]  ? should_fail+0x22d/0xd01
[  252.419745]  ? find_held_lock+0x36/0x1c0
[  252.423830]  ? mark_held_locks+0x130/0x130
[  252.428125]  ? mark_held_locks+0x130/0x130
[  252.432359]  ? zap_class+0x640/0x640
[  252.436117]  ? zap_class+0x640/0x640
[  252.439840]  ? print_usage_bug+0xc0/0xc0
[  252.443914]  ? do_raw_spin_unlock+0xa7/0x330
[  252.448334]  ? zap_class+0x640/0x640
[  252.452240]  ? print_usage_bug+0xc0/0xc0
[  252.456321]  ? wq_watchdog_touch+0x9c/0xfe
[  252.460572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.466153]  ? check_preemption_disabled+0x48/0x280
[  252.471199]  ? __lock_is_held+0xb5/0x140
[  252.475269]  __alloc_pages_nodemask+0xa80/0xde0
[  252.479941]  ? zap_class+0x640/0x640
[  252.483663]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  252.488696]  ? find_held_lock+0x36/0x1c0
[  252.492771]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.497450]  ? lock_downgrade+0x900/0x900
[  252.501611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.507159]  cache_grow_begin+0xa5/0x8c0
[  252.511221]  ? do_raw_spin_unlock+0xa7/0x330
[  252.515640]  fallback_alloc+0x204/0x2e0
[  252.519626]  ____cache_alloc_node+0x1c7/0x1e0
[  252.524160]  kmem_cache_alloc_node+0xe3/0x730
[  252.528665]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.532926]  __alloc_skb+0x119/0x770
[  252.536660]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.541977]  ? netdev_alloc_frag+0x1f0/0x1f0
[  252.546395]  ? lock_downgrade+0x900/0x900
[  252.550570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.556144]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.561624]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.567083]  ? addrconf_rs_timer+0x690/0x690
[  252.571537]  ndisc_alloc_skb+0x144/0x340
[  252.575630]  ndisc_send_rs+0x331/0x6e0
[  252.579526]  addrconf_rs_timer+0x314/0x690
[  252.583784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.588034]  call_timer_fn+0x272/0x920
[  252.591923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.596189]  ? process_timeout+0x40/0x40
[  252.600268]  ? mark_held_locks+0xc7/0x130
[  252.604423]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.608920]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.613418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.617671]  ? lockdep_hardirqs_on+0x296/0x5b0
[  252.622274]  ? trace_hardirqs_on+0xbd/0x310
[  252.626658]  ? kasan_check_read+0x11/0x20
[  252.630809]  ? __run_timers+0x7da/0xc70
[  252.634786]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.639898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.644140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.648389]  __run_timers+0x7e5/0xc70
[  252.652223]  ? timer_fixup_init+0x70/0x70
[  252.656377]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  252.661398]  ? zap_class+0x640/0x640
[  252.665152]  ? print_usage_bug+0xc0/0xc0
[  252.669219]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  252.674419]  ? find_held_lock+0x36/0x1c0
[  252.678488]  ? zap_class+0x640/0x640
[  252.682228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.687769]  ? check_preemption_disabled+0x48/0x280
[  252.692823]  ? __lock_is_held+0xb5/0x140
[  252.696905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.702462]  ? check_preemption_disabled+0x48/0x280
[  252.707488]  run_timer_softirq+0x52/0xb0
[  252.711551]  ? rcu_read_lock_sched_held+0x14f/0x180
[  252.716571]  __do_softirq+0x308/0xb7e
[  252.720404]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  252.724920]  ? lock_downgrade+0x900/0x900
[  252.729094]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  252.734234]  ? pvclock_read_flags+0x160/0x160
[  252.738736]  ? lapic_next_event+0x5a/0x90
[  252.742894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.748438]  ? kvm_clock_read+0x18/0x30
[  252.752416]  ? kvm_sched_clock_read+0x9/0x20
[  252.756878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.762419]  ? check_preemption_disabled+0x48/0x280
[  252.767465]  irq_exit+0x17f/0x1c0
[  252.770922]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.775763]  ? smp_reschedule_interrupt+0x109/0x650
[  252.780800]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.786719]  ? interrupt_entry+0xb5/0xc0
[  252.790802]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.795818]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.800836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.805696]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.810724]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.815742]  ? task_prio+0x50/0x50
[  252.819289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.824842]  ? check_preemption_disabled+0x48/0x280
[  252.829867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.834753]  apic_timer_interrupt+0xf/0x20
[  252.839010]  </IRQ>
[  252.841271] RIP: 0010:dump_stack+0x358/0x39d
[  252.845689] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  252.864586] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  252.872295] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  252.879561] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  252.886860] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  252.894139] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  252.901408] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  252.908704]  ? dump_stack+0x34f/0x39d
[  252.912536]  ? dump_stack_print_info.cold.1+0x20/0x20
[  252.917742]  ? mark_held_locks+0x130/0x130
[  252.921981]  ? mark_held_locks+0x130/0x130
[  252.926239]  dump_header+0x27b/0xf72
[  252.929980]  ? pagefault_out_of_memory+0x197/0x197
[  252.934956]  ? __lock_acquire+0x62f/0x4c20
[  252.939218]  ? percpu_ref_get_many+0x240/0x240
[  252.943809]  ? print_usage_bug+0xc0/0xc0
[  252.947878]  ? zap_class+0x640/0x640
[  252.951596]  ? print_usage_bug+0xc0/0xc0
[  252.955658]  ? print_usage_bug+0xc0/0xc0
[  252.959740]  ? zap_class+0x640/0x640
[  252.963461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.969006]  ? find_held_lock+0x36/0x1c0
[  252.973120]  ? mark_held_locks+0xc7/0x130
[  252.977290]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  252.982395]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  252.987502]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  252.992121]  ? trace_hardirqs_on+0xbd/0x310
[  252.996462]  ? kasan_check_read+0x11/0x20
[  253.000625]  ? ___ratelimit+0x3b4/0x672
[  253.004606]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.009711]  ? trace_hardirqs_on+0x310/0x310
[  253.014123]  ? lock_downgrade+0x900/0x900
[  253.018279]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.023400]  ? ___ratelimit+0x3b9/0x672
[  253.027382]  ? idr_get_free+0xf70/0xf70
[  253.031364]  ? find_held_lock+0x36/0x1c0
[  253.035438]  oom_kill_process.cold.27+0x10/0x903
[  253.040202]  ? zap_class+0x640/0x640
[  253.043921]  ? check_preemption_disabled+0x48/0x280
[  253.048941]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.053875]  ? kasan_check_read+0x11/0x20
[  253.058022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.063305]  ? oom_evaluate_task+0x540/0x540
[  253.067718]  ? find_held_lock+0x36/0x1c0
[  253.071804]  ? out_of_memory+0x974/0x1430
[  253.075975]  ? lock_downgrade+0x900/0x900
[  253.080133]  ? check_preemption_disabled+0x48/0x280
[  253.085159]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.090104]  ? kasan_check_read+0x11/0x20
[  253.094270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.099548]  ? rcu_softirq_qs+0x20/0x20
[  253.103556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.109127]  ? oom_evaluate_task+0x302/0x540
[  253.113559]  out_of_memory+0xa84/0x1430
[  253.117556]  ? oom_killer_disable+0x3a0/0x3a0
[  253.122068]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  253.127022]  ? __ww_mutex_check_waiters+0x160/0x160
[  253.132066]  __alloc_pages_slowpath+0x2354/0x2e10
[  253.136955]  ? warn_alloc+0x120/0x120
[  253.140756]  ? mark_held_locks+0x130/0x130
[  253.145002]  ? find_get_entry+0xaae/0x1120
[  253.149264]  ? filemap_map_pages+0x1a20/0x1a20
[  253.153854]  ? zap_class+0x640/0x640
[  253.157580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.163126]  ? check_preemption_disabled+0x48/0x280
[  253.168147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.173690]  ? should_fail+0x22d/0xd01
[  253.177583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.182722]  ? zap_class+0x640/0x640
[  253.186467]  ? __lock_is_held+0xb5/0x140
[  253.190542]  ? mark_held_locks+0x130/0x130
[  253.194780]  ? lock_release+0xa00/0xa00
[  253.198789]  ? perf_trace_sched_process_exec+0x860/0x860
[  253.204241]  ? xa_load+0x2ba/0x460
[  253.207784]  ? lock_downgrade+0x900/0x900
[  253.211949]  ? __might_sleep+0x95/0x190
[  253.215934]  __alloc_pages_nodemask+0xa80/0xde0
[  253.220645]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  253.225672]  ? __page_cache_alloc+0x191/0x5c0
[  253.230173]  ? xa_load+0x2e1/0x460
[  253.233717]  ? xa_clear_mark+0x40/0x40
[  253.237642]  ? zap_class+0x640/0x640
[  253.241383]  ? zap_class+0x640/0x640
[  253.245159]  ? zap_class+0x640/0x640
[  253.248891]  ? __do_page_cache_readahead+0x663/0x810
[  253.254050]  ? find_held_lock+0x36/0x1c0
[  253.258166]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  253.263714]  alloc_pages_current+0x173/0x350
[  253.268135]  __page_cache_alloc+0x38c/0x5c0
[  253.272460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.277394]  ? kasan_check_read+0x11/0x20
[  253.281545]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.286831]  ? generic_perform_write+0x6a0/0x6a0
[  253.291590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.297136]  ? check_preemption_disabled+0x48/0x280
[  253.302168]  filemap_fault+0x1595/0x25f0
[  253.306262]  ? __lock_page_or_retry+0xa00/0xa00
[  253.310933]  ? mark_held_locks+0x130/0x130
[  253.315183]  ? filemap_map_pages+0xd6b/0x1a20
[  253.319687]  ? lock_downgrade+0x900/0x900
[  253.323836]  ? check_preemption_disabled+0x48/0x280
[  253.328854]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.333785]  ? kasan_check_read+0x11/0x20
[  253.337939]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.343234]  ? rcu_softirq_qs+0x20/0x20
[  253.347275]  ? filemap_map_pages+0xd92/0x1a20
[  253.351822]  ? find_get_entries_tag+0x1400/0x1400
[  253.356684]  ? debug_object_destroy+0x2b0/0x2b0
[  253.361359]  ? lock_pi_update_atomic+0x150/0x150
[  253.366139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.371695]  ? lock_acquire+0x1ed/0x520
[  253.375673]  ? ext4_filemap_fault+0x7a/0xad
[  253.380003]  ? lock_release+0xa00/0xa00
[  253.384000]  ? perf_trace_sched_process_exec+0x860/0x860
[  253.389455]  ? print_usage_bug+0xc0/0xc0
[  253.393561]  ? print_usage_bug+0xc0/0xc0
[  253.397648]  ? down_read+0x8d/0x120
[  253.401273]  ? ext4_filemap_fault+0x7a/0xad
[  253.405613]  ? __down_interruptible+0x700/0x700
[  253.410293]  ext4_filemap_fault+0x82/0xad
[  253.414447]  __do_fault+0x100/0x6b0
[  253.418098]  ? pmd_devmap_trans_unstable+0x220/0x220
[  253.423209]  ? mark_held_locks+0x130/0x130
[  253.427452]  ? mark_held_locks+0x130/0x130
[  253.431691]  ? debug_smp_processor_id+0x1c/0x20
[  253.436376]  ? perf_trace_lock+0x14d/0x7a0
[  253.440617]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  253.446248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.451789]  __handle_mm_fault+0x3ea0/0x5be0
[  253.456214]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  253.461116]  ? lock_is_held_type+0x210/0x210
[  253.465531]  ? file_remove_privs+0x540/0x540
[  253.469962]  ? zap_class+0x640/0x640
[  253.473681]  ? zap_class+0x640/0x640
[  253.477394]  ? __x64_sys_futex+0x53e/0x6a0
[  253.481657]  ? find_held_lock+0x36/0x1c0
[  253.485731]  ? handle_mm_fault+0x42a/0xc70
[  253.489974]  ? lock_downgrade+0x900/0x900
[  253.494157]  ? check_preemption_disabled+0x48/0x280
[  253.499196]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.504127]  ? kasan_check_read+0x11/0x20
[  253.508275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.513554]  ? rcu_softirq_qs+0x20/0x20
[  253.517529]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.522658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.528204]  ? check_preemption_disabled+0x48/0x280
[  253.533252]  handle_mm_fault+0x54f/0xc70
[  253.537320]  ? __handle_mm_fault+0x5be0/0x5be0
[  253.541925]  ? find_vma+0x34/0x190
[  253.545480]  __do_page_fault+0x5e8/0xe60
[  253.549542]  ? trace_hardirqs_off+0xb8/0x310
[  253.553966]  do_page_fault+0xf2/0x7e0
[  253.557772]  ? vmalloc_sync_all+0x30/0x30
[  253.561931]  ? error_entry+0x70/0xd0
[  253.565646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.570665]  ? trace_hardirqs_on_caller+0xc0/0x310
[  253.575601]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.580533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.585396]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.590412]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.595869]  ? prepare_exit_to_usermode+0x291/0x3b0
[  253.600888]  ? page_fault+0x8/0x30
[  253.604437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.609284]  ? page_fault+0x8/0x30
[  253.612825]  page_fault+0x1e/0x30
[  253.616293] RIP: 0033:0x40f9c0
[  253.619503] Code: Bad RIP value.
[  253.622869] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  253.628231] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  253.635505] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  253.642773] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  253.650044] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  253.657322] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  253.664623] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  253.664629] warn_alloc_show_mem: 1 callbacks suppressed
[  253.664636] Mem-Info:
[  253.671832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.677234] active_anon:50082 inactive_anon:201 isolated_anon:0
[  253.677234]  active_file:11 inactive_file:13 isolated_file:0
[  253.677234]  unevictable:0 dirty:0 writeback:0 unstable:0
[  253.677234]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  253.677234]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  253.677234]  free:13738 free_pcp:300 free_cma:0
[  253.679609] Call Trace:
[  253.689019] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  253.721885]  <IRQ>
[  253.724465] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  253.751991]  dump_stack+0x244/0x39d
[  253.754118] lowmem_reserve[]: 0 2818 6321 6321
[  253.780249]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.783849] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  253.788450]  warn_alloc.cold.116+0xb7/0x1bd
[  253.793603] lowmem_reserve[]: 0 0 3503 3503
[  253.821217]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.825507] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  253.829854]  ? lock_downgrade+0x900/0x900
[  253.834707] lowmem_reserve[]: 0 0 0 0
[  253.863610]  ? trace_hardirqs_off+0xb8/0x310
[  253.867729] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  253.871527]  ? trace_hardirqs_off+0xb8/0x310
[  253.875907] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  253.889441]  __alloc_pages_slowpath+0x26e8/0x2e10
[  253.893824] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  253.908946]  ? warn_alloc+0x120/0x120
[  253.913755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  253.928313]  ? print_usage_bug+0xc0/0xc0
[  253.932099] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  253.940927]  ? warn_alloc+0x120/0x120
[  253.944965] 268 total pagecache pages
[  253.953538]  ? warn_alloc+0x120/0x120
[  253.957322] 0 pages in swap cache
[  253.961123]  ? print_usage_bug+0xc0/0xc0
[  253.964923] Swap cache stats: add 0, delete 0, find 0/0
[  253.968368]  ? kvm_clock_read+0x18/0x30
[  253.972408] Free swap  = 0kB
[  253.977766]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  253.981713] Total swap = 0kB
[  253.984729]  ? print_usage_bug+0xc0/0xc0
[  253.989739] 1965979 pages RAM
[  253.992754]  ? __lock_acquire+0x62f/0x4c20
[  253.996791] 0 pages HighMem/MovableOnly
[  253.999898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.004111] 342853 pages reserved
[  254.008092]  ? should_fail+0x22d/0xd01
[  254.013604] 0 pages cma reserved
[  254.017051]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.020991] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.024280]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.024298]  ? __lock_acquire+0x62f/0x4c20
[  254.024316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.029649] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.036068]  ? __lock_acquire+0x62f/0x4c20
[  254.041172] syz-fuzzer cpuset=/ mems_allowed=0
[  254.045402]  ? should_fail+0x22d/0xd01
[  254.073365]  ? rcu_irq_exit+0x1a2/0x390
[  254.077369]  ? mark_held_locks+0x130/0x130
[  254.081619]  ? mark_held_locks+0x130/0x130
[  254.085862]  ? mark_held_locks+0xc7/0x130
[  254.090021]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  254.095047]  ? zap_class+0x640/0x640
[  254.098800]  ? print_usage_bug+0xc0/0xc0
[  254.102868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.108408]  ? check_preemption_disabled+0x48/0x280
[  254.113608]  ? __lock_is_held+0xb5/0x140
[  254.117697]  __alloc_pages_nodemask+0xa80/0xde0
[  254.122386]  ? zap_class+0x640/0x640
[  254.126128]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  254.131181]  ? find_held_lock+0x36/0x1c0
[  254.135262]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.139957]  ? lock_downgrade+0x900/0x900
[  254.144121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.149684]  cache_grow_begin+0xa5/0x8c0
[  254.153761]  ? do_raw_spin_unlock+0xa7/0x330
[  254.158178]  fallback_alloc+0x204/0x2e0
[  254.162204]  ____cache_alloc_node+0x1c7/0x1e0
[  254.166710]  kmem_cache_alloc_node+0xe3/0x730
[  254.171213]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.175477]  __alloc_skb+0x119/0x770
[  254.179192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.184485]  ? netdev_alloc_frag+0x1f0/0x1f0
[  254.188895]  ? lock_downgrade+0x900/0x900
[  254.193089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.198633]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.204103]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.209563]  ? addrconf_rs_timer+0x690/0x690
[  254.213994]  ndisc_alloc_skb+0x144/0x340
[  254.218063]  ndisc_send_rs+0x331/0x6e0
[  254.221967]  addrconf_rs_timer+0x314/0x690
[  254.226225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.230499]  call_timer_fn+0x272/0x920
[  254.234389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.238629]  ? process_timeout+0x40/0x40
[  254.242697]  ? __run_timers+0x7da/0xc70
[  254.246678]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.251189]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.255682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.259930]  ? lockdep_hardirqs_on+0x296/0x5b0
[  254.264572]  ? trace_hardirqs_on+0xbd/0x310
[  254.268904]  ? kasan_check_read+0x11/0x20
[  254.273065]  ? __run_timers+0x7da/0xc70
[  254.277064]  ? trace_hardirqs_off_caller+0x310/0x310
[  254.282194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.286438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.290681]  __run_timers+0x7e5/0xc70
[  254.294495]  ? timer_fixup_init+0x70/0x70
[  254.298662]  ? kasan_check_read+0x11/0x20
[  254.302824]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.308112]  ? rcu_softirq_qs+0x20/0x20
[  254.312129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.317833]  ? check_preemption_disabled+0x48/0x280
[  254.322862]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.327625]  ? retint_kernel+0x2d/0x2d
[  254.331518]  ? trace_hardirqs_on_caller+0xc0/0x310
[  254.336455]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  254.341220]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.346689]  ? zap_class+0x640/0x640
[  254.350416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.355957]  ? check_preemption_disabled+0x48/0x280
[  254.360986]  ? __lock_is_held+0xb5/0x140
[  254.365089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.370660]  ? check_preemption_disabled+0x48/0x280
[  254.375683]  run_timer_softirq+0x52/0xb0
[  254.379752]  ? rcu_read_lock_sched_held+0x14f/0x180
[  254.384773]  __do_softirq+0x308/0xb7e
[  254.388582]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  254.393106]  ? lock_downgrade+0x900/0x900
[  254.397282]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  254.402395]  ? pvclock_read_flags+0x160/0x160
[  254.406898]  ? lapic_next_event+0x5a/0x90
[  254.411095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.416683]  ? kvm_clock_read+0x18/0x30
[  254.420721]  ? kvm_sched_clock_read+0x9/0x20
[  254.425137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.430679]  ? check_preemption_disabled+0x48/0x280
[  254.435705]  irq_exit+0x17f/0x1c0
[  254.439168]  smp_apic_timer_interrupt+0x1cb/0x760
[  254.444027]  ? smp_reschedule_interrupt+0x109/0x650
[  254.449540]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.455424]  ? interrupt_entry+0xb5/0xc0
[  254.459510]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.464527]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.469553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.474403]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.479421]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.484437]  ? task_prio+0x50/0x50
[  254.487983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.493522]  ? check_preemption_disabled+0x48/0x280
[  254.498583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.503460]  apic_timer_interrupt+0xf/0x20
[  254.507707]  </IRQ>
[  254.509959] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  254.514894] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  254.533801] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  254.541515] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  254.548785] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  254.556053] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  254.563339] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  254.570614] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  254.577950]  skb_clone+0x1bb/0x500
[  254.581514]  ? finish_task_switch+0x1b4/0x910
[  254.586027]  ? skb_split+0x11e0/0x11e0
[  254.589941]  ? preempt_notifier_register+0x200/0x200
[  254.595048]  ? __switch_to_asm+0x34/0x70
[  254.599126]  ? __switch_to_asm+0x34/0x70
[  254.603209]  ? __switch_to_asm+0x40/0x70
[  254.607299]  ? __switch_to_asm+0x34/0x70
[  254.611362]  ? __switch_to_asm+0x40/0x70
[  254.615420]  ? __switch_to_asm+0x34/0x70
[  254.619478]  ? __switch_to_asm+0x40/0x70
[  254.623539]  ? __switch_to_asm+0x34/0x70
[  254.627606]  ? __switch_to_asm+0x34/0x70
[  254.631669]  ? __switch_to_asm+0x40/0x70
[  254.635745]  ? __switch_to_asm+0x34/0x70
[  254.639815]  bpf_clone_redirect+0xb9/0x490
[  254.644058]  ? __schedule+0x8d7/0x21d0
[  254.647962]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  254.652994]  ? __sched_text_start+0x8/0x8
[  254.657174]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  254.661755]  ? retint_kernel+0x2d/0x2d
[  254.665645]  ? trace_hardirqs_on_caller+0xc0/0x310
[  254.670612]  ? find_held_lock+0x36/0x1c0
[  254.674698]  ? lock_acquire+0x1ed/0x520
[  254.678677]  ? bpf_test_run+0x3cb/0x780
[  254.682661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.688219]  ? check_preemption_disabled+0x48/0x280
[  254.693250]  ? kasan_check_read+0x11/0x20
[  254.697403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.702680]  ? rcu_softirq_qs+0x20/0x20
[  254.706655]  ? preempt_schedule+0x4d/0x60
[  254.710809]  ? ___preempt_schedule+0x16/0x18
[  254.715261]  ? bpf_test_run+0x25d/0x780
[  254.719265]  ? netlink_diag_dump+0x2a0/0x2a0
[  254.723683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.729222]  ? bpf_test_init.isra.10+0x70/0x100
[  254.733917]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  254.738685]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  254.743527]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  254.749066]  ? fput+0x130/0x1a0
[  254.752356]  ? __bpf_prog_get+0x9b/0x290
[  254.756419]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  254.761337]  ? bpf_prog_test_run+0x130/0x1a0
[  254.765750]  ? __x64_sys_bpf+0x3d8/0x520
[  254.769825]  ? bpf_prog_get+0x20/0x20
[  254.773670]  ? do_syscall_64+0x1b9/0x820
[  254.777732]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  254.783119]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.788049]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.792913]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.797932]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  254.802961]  ? prepare_exit_to_usermode+0x291/0x3b0
[  254.808004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.812855]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  254.818241] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  254.818328] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.825179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.825185] Call Trace:
[  254.825208]  <IRQ>
[  254.825242]  dump_stack+0x244/0x39d
[  254.825261]  ? dump_stack_print_info.cold.1+0x20/0x20
[  254.831830] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.841148]  warn_alloc.cold.116+0xb7/0x1bd
[  254.843703] syz-executor3 cpuset=syz3 mems_allowed=0
[  254.845846]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.879385]  ? lock_downgrade+0x900/0x900
[  254.883542]  ? trace_hardirqs_off+0xb8/0x310
[  254.887965]  ? trace_hardirqs_off+0xb8/0x310
[  254.892401]  __alloc_pages_slowpath+0x26e8/0x2e10
[  254.897291]  ? warn_alloc+0x120/0x120
[  254.901106]  ? print_usage_bug+0xc0/0xc0
[  254.905190]  ? warn_alloc+0x120/0x120
[  254.908999]  ? warn_alloc+0x120/0x120
[  254.912811]  ? print_usage_bug+0xc0/0xc0
[  254.916876]  ? print_usage_bug+0xc0/0xc0
[  254.920941]  ? __lock_acquire+0x62f/0x4c20
[  254.925183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.930737]  ? should_fail+0x22d/0xd01
[  254.934632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.939752]  ? __lock_acquire+0x62f/0x4c20
[  254.944015]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.949134]  ? __lock_acquire+0x62f/0x4c20
[  254.953381]  ? should_fail+0x22d/0xd01
[  254.957274]  ? find_held_lock+0x36/0x1c0
[  254.961479]  ? mark_held_locks+0x130/0x130
[  254.965726]  ? mark_held_locks+0x130/0x130
[  254.969976]  ? zap_class+0x640/0x640
[  254.973735]  ? zap_class+0x640/0x640
[  254.977451]  ? print_usage_bug+0xc0/0xc0
[  254.981523]  ? do_raw_spin_unlock+0xa7/0x330
[  254.985978]  ? zap_class+0x640/0x640
[  254.989718]  ? print_usage_bug+0xc0/0xc0
[  254.993781]  ? wq_watchdog_touch+0x9c/0xfe
[  254.998022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.003569]  ? check_preemption_disabled+0x48/0x280
[  255.008603]  ? __lock_is_held+0xb5/0x140
[  255.012673]  __alloc_pages_nodemask+0xa80/0xde0
[  255.017354]  ? zap_class+0x640/0x640
[  255.021084]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  255.026138]  ? find_held_lock+0x36/0x1c0
[  255.030214]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.034892]  ? lock_downgrade+0x900/0x900
[  255.039053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.044614]  cache_grow_begin+0xa5/0x8c0
[  255.048699]  ? do_raw_spin_unlock+0xa7/0x330
[  255.053120]  fallback_alloc+0x204/0x2e0
[  255.057113]  ____cache_alloc_node+0x1c7/0x1e0
[  255.061622]  kmem_cache_alloc_node+0xe3/0x730
[  255.066120]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.070370]  __alloc_skb+0x119/0x770
[  255.074097]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.079383]  ? netdev_alloc_frag+0x1f0/0x1f0
[  255.083793]  ? lock_downgrade+0x900/0x900
[  255.087952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.093495]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.098966]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.104421]  ? addrconf_rs_timer+0x690/0x690
[  255.108843]  ndisc_alloc_skb+0x144/0x340
[  255.112915]  ndisc_send_rs+0x331/0x6e0
[  255.116812]  addrconf_rs_timer+0x314/0x690
[  255.121052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.125329]  call_timer_fn+0x272/0x920
[  255.129217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.133472]  ? process_timeout+0x40/0x40
[  255.137547]  ? mark_held_locks+0xc7/0x130
[  255.141699]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.146195]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.150694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.155042]  ? lockdep_hardirqs_on+0x296/0x5b0
[  255.159634]  ? trace_hardirqs_on+0xbd/0x310
[  255.163975]  ? kasan_check_read+0x11/0x20
[  255.168125]  ? __run_timers+0x7da/0xc70
[  255.172116]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.177224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.181465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.185714]  __run_timers+0x7e5/0xc70
[  255.189531]  ? timer_fixup_init+0x70/0x70
[  255.193714]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  255.198743]  ? zap_class+0x640/0x640
[  255.202464]  ? print_usage_bug+0xc0/0xc0
[  255.206529]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  255.211731]  ? find_held_lock+0x36/0x1c0
[  255.215802]  ? zap_class+0x640/0x640
[  255.219535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.225126]  ? check_preemption_disabled+0x48/0x280
[  255.230174]  ? __lock_is_held+0xb5/0x140
[  255.234247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.239807]  ? check_preemption_disabled+0x48/0x280
[  255.244829]  run_timer_softirq+0x52/0xb0
[  255.248905]  ? rcu_read_lock_sched_held+0x14f/0x180
[  255.253961]  __do_softirq+0x308/0xb7e
[  255.257770]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  255.262280]  ? lock_downgrade+0x900/0x900
[  255.266439]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  255.271565]  ? pvclock_read_flags+0x160/0x160
[  255.276127]  ? lapic_next_event+0x5a/0x90
[  255.280282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.285829]  ? kvm_clock_read+0x18/0x30
[  255.289811]  ? kvm_sched_clock_read+0x9/0x20
[  255.294224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.299769]  ? check_preemption_disabled+0x48/0x280
[  255.304795]  irq_exit+0x17f/0x1c0
[  255.308258]  smp_apic_timer_interrupt+0x1cb/0x760
[  255.313112]  ? smp_reschedule_interrupt+0x109/0x650
[  255.318150]  ? smp_call_function_single_interrupt+0x650/0x650
[  255.324033]  ? interrupt_entry+0xb5/0xc0
[  255.328109]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.333139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.338158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.343006]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.348034]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.353051]  ? task_prio+0x50/0x50
[  255.356619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.362179]  ? check_preemption_disabled+0x48/0x280
[  255.367199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.372059]  apic_timer_interrupt+0xf/0x20
[  255.376298]  </IRQ>
[  255.378536] RIP: 0010:dump_stack+0x358/0x39d
[  255.382945] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  255.401850] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  255.409577] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  255.416846] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  255.424131] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  255.431399] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  255.438689] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  255.445982]  ? dump_stack+0x34f/0x39d
[  255.449799]  ? dump_stack_print_info.cold.1+0x20/0x20
[  255.455022]  ? mark_held_locks+0x130/0x130
[  255.459262]  ? mark_held_locks+0x130/0x130
[  255.463507]  dump_header+0x27b/0xf72
[  255.467236]  ? pagefault_out_of_memory+0x197/0x197
[  255.472190]  ? __lock_acquire+0x62f/0x4c20
[  255.476436]  ? percpu_ref_get_many+0x240/0x240
[  255.481023]  ? print_usage_bug+0xc0/0xc0
[  255.485121]  ? zap_class+0x640/0x640
[  255.488871]  ? print_usage_bug+0xc0/0xc0
[  255.492949]  ? print_usage_bug+0xc0/0xc0
[  255.497019]  ? zap_class+0x640/0x640
[  255.500788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.506336]  ? find_held_lock+0x36/0x1c0
[  255.510433]  ? mark_held_locks+0xc7/0x130
[  255.514602]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  255.519721]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  255.524851]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.529450]  ? trace_hardirqs_on+0xbd/0x310
[  255.533777]  ? kasan_check_read+0x11/0x20
[  255.537928]  ? ___ratelimit+0x3b4/0x672
[  255.541905]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.547035]  ? trace_hardirqs_on+0x310/0x310
[  255.551449]  ? lock_downgrade+0x900/0x900
[  255.555619]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.560761]  ? ___ratelimit+0x3b9/0x672
[  255.564756]  ? idr_get_free+0xf70/0xf70
[  255.568737]  ? find_held_lock+0x36/0x1c0
[  255.572811]  oom_kill_process.cold.27+0x10/0x903
[  255.577576]  ? zap_class+0x640/0x640
[  255.581295]  ? check_preemption_disabled+0x48/0x280
[  255.586318]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.591301]  ? kasan_check_read+0x11/0x20
[  255.595449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.600733]  ? oom_evaluate_task+0x540/0x540
[  255.605147]  ? find_held_lock+0x36/0x1c0
[  255.609232]  ? out_of_memory+0x974/0x1430
[  255.613387]  ? lock_downgrade+0x900/0x900
[  255.617538]  ? check_preemption_disabled+0x48/0x280
[  255.622589]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.627550]  ? kasan_check_read+0x11/0x20
[  255.631710]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.636992]  ? rcu_softirq_qs+0x20/0x20
[  255.640971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.646509]  ? oom_evaluate_task+0x302/0x540
[  255.650924]  out_of_memory+0xa84/0x1430
[  255.654905]  ? oom_killer_disable+0x3a0/0x3a0
[  255.659401]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  255.664342]  ? __ww_mutex_check_waiters+0x160/0x160
[  255.669371]  __alloc_pages_slowpath+0x2354/0x2e10
[  255.674273]  ? warn_alloc+0x120/0x120
[  255.678090]  ? mark_held_locks+0x130/0x130
[  255.682373]  ? find_get_entry+0xaae/0x1120
[  255.686640]  ? filemap_map_pages+0x1a20/0x1a20
[  255.691230]  ? zap_class+0x640/0x640
[  255.694978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.700531]  ? check_preemption_disabled+0x48/0x280
[  255.705570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.711139]  ? should_fail+0x22d/0xd01
[  255.715034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.720145]  ? zap_class+0x640/0x640
[  255.723901]  ? __lock_is_held+0xb5/0x140
[  255.727986]  ? mark_held_locks+0x130/0x130
[  255.732242]  ? lock_release+0xa00/0xa00
[  255.736222]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.741693]  ? xa_load+0x2ba/0x460
[  255.745241]  ? lock_downgrade+0x900/0x900
[  255.749401]  ? __might_sleep+0x95/0x190
[  255.753400]  __alloc_pages_nodemask+0xa80/0xde0
[  255.758102]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  255.763137]  ? __page_cache_alloc+0x191/0x5c0
[  255.767633]  ? xa_load+0x2e1/0x460
[  255.771193]  ? xa_clear_mark+0x40/0x40
[  255.775117]  ? zap_class+0x640/0x640
[  255.778847]  ? zap_class+0x640/0x640
[  255.782567]  ? zap_class+0x640/0x640
[  255.786283]  ? __do_page_cache_readahead+0x663/0x810
[  255.791392]  ? find_held_lock+0x36/0x1c0
[  255.795498]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  255.801045]  alloc_pages_current+0x173/0x350
[  255.805477]  __page_cache_alloc+0x38c/0x5c0
[  255.809814]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.814746]  ? kasan_check_read+0x11/0x20
[  255.818894]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.824179]  ? generic_perform_write+0x6a0/0x6a0
[  255.828940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.834476]  ? check_preemption_disabled+0x48/0x280
[  255.839496]  filemap_fault+0x1595/0x25f0
[  255.843563]  ? __lock_page_or_retry+0xa00/0xa00
[  255.848233]  ? mark_held_locks+0x130/0x130
[  255.852472]  ? filemap_map_pages+0xd6b/0x1a20
[  255.856986]  ? lock_downgrade+0x900/0x900
[  255.861135]  ? check_preemption_disabled+0x48/0x280
[  255.866166]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.871105]  ? kasan_check_read+0x11/0x20
[  255.875250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.880539]  ? rcu_softirq_qs+0x20/0x20
[  255.884535]  ? filemap_map_pages+0xd92/0x1a20
[  255.889044]  ? find_get_entries_tag+0x1400/0x1400
[  255.893910]  ? debug_object_destroy+0x2b0/0x2b0
[  255.898598]  ? lock_pi_update_atomic+0x150/0x150
[  255.903358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.908910]  ? lock_acquire+0x1ed/0x520
[  255.912903]  ? ext4_filemap_fault+0x7a/0xad
[  255.917229]  ? lock_release+0xa00/0xa00
[  255.921199]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.926654]  ? print_usage_bug+0xc0/0xc0
[  255.930736]  ? print_usage_bug+0xc0/0xc0
[  255.934820]  ? down_read+0x8d/0x120
[  255.938449]  ? ext4_filemap_fault+0x7a/0xad
[  255.942799]  ? __down_interruptible+0x700/0x700
[  255.947481]  ext4_filemap_fault+0x82/0xad
[  255.951636]  __do_fault+0x100/0x6b0
[  255.955263]  ? pmd_devmap_trans_unstable+0x220/0x220
[  255.960416]  ? mark_held_locks+0x130/0x130
[  255.964653]  ? mark_held_locks+0x130/0x130
[  255.968887]  ? debug_smp_processor_id+0x1c/0x20
[  255.973565]  ? perf_trace_lock+0x14d/0x7a0
[  255.977797]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  255.983441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.988983]  __handle_mm_fault+0x3ea0/0x5be0
[  255.993416]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  255.998260]  ? lock_is_held_type+0x210/0x210
[  256.002674]  ? file_remove_privs+0x540/0x540
[  256.007116]  ? zap_class+0x640/0x640
[  256.010829]  ? zap_class+0x640/0x640
[  256.014557]  ? __x64_sys_futex+0x53e/0x6a0
[  256.018793]  ? find_held_lock+0x36/0x1c0
[  256.022859]  ? handle_mm_fault+0x42a/0xc70
[  256.027132]  ? lock_downgrade+0x900/0x900
[  256.031310]  ? check_preemption_disabled+0x48/0x280
[  256.036342]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.041269]  ? kasan_check_read+0x11/0x20
[  256.045423]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.050696]  ? rcu_softirq_qs+0x20/0x20
[  256.054690]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.059816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.065386]  ? check_preemption_disabled+0x48/0x280
[  256.070457]  handle_mm_fault+0x54f/0xc70
[  256.074556]  ? __handle_mm_fault+0x5be0/0x5be0
[  256.079173]  ? find_vma+0x34/0x190
[  256.082721]  __do_page_fault+0x5e8/0xe60
[  256.086781]  ? trace_hardirqs_off+0xb8/0x310
[  256.091219]  do_page_fault+0xf2/0x7e0
[  256.095027]  ? vmalloc_sync_all+0x30/0x30
[  256.099187]  ? error_entry+0x70/0xd0
[  256.102922]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.107934]  ? trace_hardirqs_on_caller+0xc0/0x310
[  256.112867]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.117812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.122661]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.127687]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.133139]  ? prepare_exit_to_usermode+0x291/0x3b0
[  256.138183]  ? page_fault+0x8/0x30
[  256.141727]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.146576]  ? page_fault+0x8/0x30
[  256.150149]  page_fault+0x1e/0x30
[  256.153611] RIP: 0033:0x40f9c0
[  256.156817] Code: Bad RIP value.
[  256.160198] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  256.165556] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  256.172841] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  256.180117] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  256.187401] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  256.194679] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  256.201965] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  256.201970] warn_alloc_show_mem: 1 callbacks suppressed
[  256.201976] Mem-Info:
[  256.209195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.214562] active_anon:50082 inactive_anon:201 isolated_anon:0
[  256.214562]  active_file:11 inactive_file:13 isolated_file:0
[  256.214562]  unevictable:0 dirty:0 writeback:0 unstable:0
[  256.214562]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  256.214562]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  256.214562]  free:13738 free_pcp:300 free_cma:0
[  256.216931] Call Trace:
[  256.226309] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  256.259282]  <IRQ>
[  256.261849] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  256.289347]  dump_stack+0x244/0x39d
[  256.291474] lowmem_reserve[]: 0 2818 6321 6321
[  256.317761]  ? dump_stack_print_info.cold.1+0x20/0x20
[  256.321407] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  256.326004]  warn_alloc.cold.116+0xb7/0x1bd
[  256.331157] lowmem_reserve[]: 0 0 3503 3503
[  256.358736]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.363041] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  256.367355]  ? lock_downgrade+0x900/0x900
[  256.372176] lowmem_reserve[]: 0 0 0 0
[  256.401091]  ? trace_hardirqs_off+0xb8/0x310
[  256.405245] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  256.409056]  ? trace_hardirqs_off+0xb8/0x310
[  256.413434] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  256.426947]  __alloc_pages_slowpath+0x26e8/0x2e10
[  256.431335] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  256.446446]  ? warn_alloc+0x120/0x120
[  256.451261] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  256.465811]  ? print_usage_bug+0xc0/0xc0
[  256.469590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  256.478415]  ? warn_alloc+0x120/0x120
[  256.482449] 268 total pagecache pages
[  256.491039]  ? warn_alloc+0x120/0x120
[  256.494826] 0 pages in swap cache
[  256.498631]  ? print_usage_bug+0xc0/0xc0
[  256.502410] Swap cache stats: add 0, delete 0, find 0/0
[  256.505847]  ? print_usage_bug+0xc0/0xc0
[  256.509905] Free swap  = 0kB
[  256.515277]  ? __lock_acquire+0x62f/0x4c20
[  256.519340] Total swap = 0kB
[  256.522434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.526637] 1965979 pages RAM
[  256.529685]  ? should_fail+0x22d/0xd01
[  256.535245] 0 pages HighMem/MovableOnly
[  256.538350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.542226] 342853 pages reserved
[  256.546206]  ? __lock_acquire+0x62f/0x4c20
[  256.551313] 0 pages cma reserved
[  256.554797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.559090] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.562462]  ? __lock_acquire+0x62f/0x4c20
[  256.562477]  ? should_fail+0x22d/0xd01
[  256.567685] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.574109]  ? find_held_lock+0x36/0x1c0
[  256.578339] syz-fuzzer cpuset=/ mems_allowed=0
[  256.582232]  ? mark_held_locks+0x130/0x130
[  256.605361]  ? mark_held_locks+0x130/0x130
[  256.609619]  ? zap_class+0x640/0x640
[  256.613343]  ? zap_class+0x640/0x640
[  256.617053]  ? print_usage_bug+0xc0/0xc0
[  256.621127]  ? do_raw_spin_unlock+0xa7/0x330
[  256.625535]  ? zap_class+0x640/0x640
[  256.629283]  ? print_usage_bug+0xc0/0xc0
[  256.633343]  ? wq_watchdog_touch+0x9c/0xfe
[  256.637608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.643149]  ? check_preemption_disabled+0x48/0x280
[  256.648178]  ? __lock_is_held+0xb5/0x140
[  256.652269]  __alloc_pages_nodemask+0xa80/0xde0
[  256.656945]  ? zap_class+0x640/0x640
[  256.660668]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  256.665699]  ? find_held_lock+0x36/0x1c0
[  256.669769]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.674476]  ? lock_downgrade+0x900/0x900
[  256.678652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.684191]  cache_grow_begin+0xa5/0x8c0
[  256.688255]  ? do_raw_spin_unlock+0xa7/0x330
[  256.692683]  fallback_alloc+0x204/0x2e0
[  256.696707]  ____cache_alloc_node+0x1c7/0x1e0
[  256.701208]  kmem_cache_alloc_node+0xe3/0x730
[  256.705704]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.709969]  __alloc_skb+0x119/0x770
[  256.713728]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.719120]  ? netdev_alloc_frag+0x1f0/0x1f0
[  256.723532]  ? lock_downgrade+0x900/0x900
[  256.727685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.733222]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.738693]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.744152]  ? addrconf_rs_timer+0x690/0x690
[  256.748599]  ndisc_alloc_skb+0x144/0x340
[  256.752668]  ndisc_send_rs+0x331/0x6e0
[  256.756566]  addrconf_rs_timer+0x314/0x690
[  256.760812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.765056]  call_timer_fn+0x272/0x920
[  256.769013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.773261]  ? process_timeout+0x40/0x40
[  256.777332]  ? __run_timers+0x7da/0xc70
[  256.781317]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.785830]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.790343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.794581]  ? lockdep_hardirqs_on+0x296/0x5b0
[  256.799171]  ? trace_hardirqs_on+0xbd/0x310
[  256.803488]  ? kasan_check_read+0x11/0x20
[  256.807674]  ? __run_timers+0x7da/0xc70
[  256.811652]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.816799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.821045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.825295]  __run_timers+0x7e5/0xc70
[  256.829137]  ? timer_fixup_init+0x70/0x70
[  256.833302]  ? kasan_check_read+0x11/0x20
[  256.837449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.842756]  ? rcu_softirq_qs+0x20/0x20
[  256.846729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.852276]  ? check_preemption_disabled+0x48/0x280
[  256.857325]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  256.862092]  ? retint_kernel+0x2d/0x2d
[  256.865982]  ? trace_hardirqs_on_caller+0xc0/0x310
[  256.870910]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  256.875672]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.881119]  ? zap_class+0x640/0x640
[  256.884865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.890401]  ? check_preemption_disabled+0x48/0x280
[  256.895454]  ? __lock_is_held+0xb5/0x140
[  256.899526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.905073]  ? check_preemption_disabled+0x48/0x280
[  256.910189]  run_timer_softirq+0x52/0xb0
[  256.914248]  ? rcu_read_lock_sched_held+0x14f/0x180
[  256.919286]  __do_softirq+0x308/0xb7e
[  256.923141]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  256.927649]  ? lock_downgrade+0x900/0x900
[  256.931802]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  256.936911]  ? pvclock_read_flags+0x160/0x160
[  256.941414]  ? lapic_next_event+0x5a/0x90
[  256.945657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.951203]  ? kvm_clock_read+0x18/0x30
[  256.955187]  ? kvm_sched_clock_read+0x9/0x20
[  256.959625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.965157]  ? check_preemption_disabled+0x48/0x280
[  256.970206]  irq_exit+0x17f/0x1c0
[  256.973699]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.978555]  ? smp_reschedule_interrupt+0x109/0x650
[  256.983619]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.989508]  ? interrupt_entry+0xb5/0xc0
[  256.993569]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.998596]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.003631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.008478]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.013524]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.018571]  ? task_prio+0x50/0x50
[  257.022147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.027683]  ? check_preemption_disabled+0x48/0x280
[  257.032707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.037554]  apic_timer_interrupt+0xf/0x20
[  257.041790]  </IRQ>
[  257.044028] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  257.048967] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  257.067878] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  257.075637] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  257.082900] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  257.090168] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  257.097434] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  257.104695] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  257.112021]  skb_clone+0x1bb/0x500
[  257.115569]  ? finish_task_switch+0x1b4/0x910
[  257.120109]  ? skb_split+0x11e0/0x11e0
[  257.124034]  ? preempt_notifier_register+0x200/0x200
[  257.129138]  ? __switch_to_asm+0x34/0x70
[  257.133198]  ? __switch_to_asm+0x34/0x70
[  257.137255]  ? __switch_to_asm+0x40/0x70
[  257.141321]  ? __switch_to_asm+0x34/0x70
[  257.145380]  ? __switch_to_asm+0x40/0x70
[  257.149460]  ? __switch_to_asm+0x34/0x70
[  257.153518]  ? __switch_to_asm+0x40/0x70
[  257.157572]  ? __switch_to_asm+0x34/0x70
[  257.161652]  ? __switch_to_asm+0x34/0x70
[  257.165722]  ? __switch_to_asm+0x40/0x70
[  257.169779]  ? __switch_to_asm+0x34/0x70
[  257.173845]  bpf_clone_redirect+0xb9/0x490
[  257.178086]  ? __schedule+0x8d7/0x21d0
[  257.181979]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  257.187005]  ? __sched_text_start+0x8/0x8
[  257.191183]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  257.195765]  ? retint_kernel+0x2d/0x2d
[  257.199652]  ? trace_hardirqs_on_caller+0xc0/0x310
[  257.204581]  ? find_held_lock+0x36/0x1c0
[  257.208666]  ? lock_acquire+0x1ed/0x520
[  257.212640]  ? bpf_test_run+0x3cb/0x780
[  257.216619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.222162]  ? check_preemption_disabled+0x48/0x280
[  257.227184]  ? kasan_check_read+0x11/0x20
[  257.231335]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.236615]  ? rcu_softirq_qs+0x20/0x20
[  257.240625]  ? preempt_schedule+0x4d/0x60
[  257.244805]  ? ___preempt_schedule+0x16/0x18
[  257.249235]  ? bpf_test_run+0x25d/0x780
[  257.253231]  ? netlink_diag_dump+0x2a0/0x2a0
[  257.257650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.263195]  ? bpf_test_init.isra.10+0x70/0x100
[  257.267867]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  257.272678]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  257.277524]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  257.283102]  ? fput+0x130/0x1a0
[  257.286380]  ? __bpf_prog_get+0x9b/0x290
[  257.290454]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  257.295307]  ? bpf_prog_test_run+0x130/0x1a0
[  257.299734]  ? __x64_sys_bpf+0x3d8/0x520
[  257.303804]  ? bpf_prog_get+0x20/0x20
[  257.307625]  ? do_syscall_64+0x1b9/0x820
[  257.311716]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  257.317116]  ? syscall_return_slowpath+0x5e0/0x5e0
[  257.322049]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.326905]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.331921]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  257.336939]  ? prepare_exit_to_usermode+0x291/0x3b0
[  257.341961]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.346838]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  257.352226] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  257.352306] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.359147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.359152] Call Trace:
[  257.359157]  <IRQ>
[  257.359173]  dump_stack+0x244/0x39d
[  257.359191]  ? dump_stack_print_info.cold.1+0x20/0x20
[  257.365744] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.375041]  warn_alloc.cold.116+0xb7/0x1bd
[  257.377613] syz-executor3 cpuset=syz3 mems_allowed=0
[  257.379770]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.413336]  ? lock_downgrade+0x900/0x900
[  257.417520]  ? trace_hardirqs_off+0xb8/0x310
[  257.421929]  ? trace_hardirqs_off+0xb8/0x310
[  257.426341]  __alloc_pages_slowpath+0x26e8/0x2e10
[  257.431215]  ? warn_alloc+0x120/0x120
[  257.435014]  ? print_usage_bug+0xc0/0xc0
[  257.439082]  ? warn_alloc+0x120/0x120
[  257.442914]  ? warn_alloc+0x120/0x120
[  257.446711]  ? print_usage_bug+0xc0/0xc0
[  257.450771]  ? kvm_clock_read+0x18/0x30
[  257.454742]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  257.459782]  ? print_usage_bug+0xc0/0xc0
[  257.463844]  ? __lock_acquire+0x62f/0x4c20
[  257.468098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.473648]  ? should_fail+0x22d/0xd01
[  257.477559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.482839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.487940]  ? __lock_acquire+0x62f/0x4c20
[  257.492204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.497312]  ? __lock_acquire+0x62f/0x4c20
[  257.501592]  ? should_fail+0x22d/0xd01
[  257.505586]  ? rcu_irq_exit+0x1a2/0x390
[  257.509569]  ? mark_held_locks+0x130/0x130
[  257.513804]  ? mark_held_locks+0x130/0x130
[  257.518072]  ? mark_held_locks+0xc7/0x130
[  257.522240]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  257.527274]  ? zap_class+0x640/0x640
[  257.531004]  ? print_usage_bug+0xc0/0xc0
[  257.535106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.540641]  ? check_preemption_disabled+0x48/0x280
[  257.545665]  ? __lock_is_held+0xb5/0x140
[  257.549761]  __alloc_pages_nodemask+0xa80/0xde0
[  257.554434]  ? zap_class+0x640/0x640
[  257.558168]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  257.563214]  ? find_held_lock+0x36/0x1c0
[  257.567284]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.571952]  ? lock_downgrade+0x900/0x900
[  257.576149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.581724]  cache_grow_begin+0xa5/0x8c0
[  257.585782]  ? do_raw_spin_unlock+0xa7/0x330
[  257.590212]  fallback_alloc+0x204/0x2e0
[  257.594190]  ____cache_alloc_node+0x1c7/0x1e0
[  257.598709]  kmem_cache_alloc_node+0xe3/0x730
[  257.603265]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.607524]  __alloc_skb+0x119/0x770
[  257.611239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.616554]  ? netdev_alloc_frag+0x1f0/0x1f0
[  257.620957]  ? lock_downgrade+0x900/0x900
[  257.625135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.630684]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.636260]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.641712]  ? addrconf_rs_timer+0x690/0x690
[  257.646150]  ndisc_alloc_skb+0x144/0x340
[  257.650229]  ndisc_send_rs+0x331/0x6e0
[  257.654122]  addrconf_rs_timer+0x314/0x690
[  257.658368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.662630]  call_timer_fn+0x272/0x920
[  257.666521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.670757]  ? process_timeout+0x40/0x40
[  257.674850]  ? mark_held_locks+0xc7/0x130
[  257.679034]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.683525]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.688013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.692279]  ? lockdep_hardirqs_on+0x296/0x5b0
[  257.696897]  ? trace_hardirqs_on+0xbd/0x310
[  257.701231]  ? kasan_check_read+0x11/0x20
[  257.705396]  ? __run_timers+0x7da/0xc70
[  257.709407]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.714542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.718782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.723049]  __run_timers+0x7e5/0xc70
[  257.726871]  ? timer_fixup_init+0x70/0x70
[  257.731028]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  257.736049]  ? zap_class+0x640/0x640
[  257.739778]  ? print_usage_bug+0xc0/0xc0
[  257.743867]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  257.749093]  ? find_held_lock+0x36/0x1c0
[  257.753161]  ? zap_class+0x640/0x640
[  257.756897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.762433]  ? check_preemption_disabled+0x48/0x280
[  257.767467]  ? __lock_is_held+0xb5/0x140
[  257.771534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.777107]  ? check_preemption_disabled+0x48/0x280
[  257.782142]  run_timer_softirq+0x52/0xb0
[  257.786227]  ? rcu_read_lock_sched_held+0x14f/0x180
[  257.791276]  __do_softirq+0x308/0xb7e
[  257.795095]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  257.799589]  ? lock_downgrade+0x900/0x900
[  257.803753]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  257.808861]  ? pvclock_read_flags+0x160/0x160
[  257.813393]  ? lapic_next_event+0x5a/0x90
[  257.817566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.823112]  ? kvm_clock_read+0x18/0x30
[  257.827095]  ? kvm_sched_clock_read+0x9/0x20
[  257.831505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.837053]  ? check_preemption_disabled+0x48/0x280
[  257.842126]  irq_exit+0x17f/0x1c0
[  257.845585]  smp_apic_timer_interrupt+0x1cb/0x760
[  257.850423]  ? smp_reschedule_interrupt+0x109/0x650
[  257.855496]  ? smp_call_function_single_interrupt+0x650/0x650
[  257.861375]  ? interrupt_entry+0xb5/0xc0
[  257.865446]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.870477]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.875488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.880373]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.885401]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.890427]  ? task_prio+0x50/0x50
[  257.893985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.899516]  ? check_preemption_disabled+0x48/0x280
[  257.904562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.909444]  apic_timer_interrupt+0xf/0x20
[  257.913667]  </IRQ>
[  257.915901] RIP: 0010:dump_stack+0x358/0x39d
[  257.920351] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  257.939251] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  257.946975] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  257.954244] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  257.961514] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  257.968791] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  257.976060] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  257.983354]  ? dump_stack+0x34f/0x39d
[  257.987198]  ? dump_stack_print_info.cold.1+0x20/0x20
[  257.992392]  ? mark_held_locks+0x130/0x130
[  257.996737]  ? mark_held_locks+0x130/0x130
[  258.000979]  dump_header+0x27b/0xf72
[  258.004729]  ? pagefault_out_of_memory+0x197/0x197
[  258.009675]  ? __lock_acquire+0x62f/0x4c20
[  258.013936]  ? percpu_ref_get_many+0x240/0x240
[  258.018523]  ? print_usage_bug+0xc0/0xc0
[  258.022644]  ? zap_class+0x640/0x640
[  258.026373]  ? print_usage_bug+0xc0/0xc0
[  258.030433]  ? print_usage_bug+0xc0/0xc0
[  258.034542]  ? zap_class+0x640/0x640
[  258.038258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.043810]  ? find_held_lock+0x36/0x1c0
[  258.047877]  ? mark_held_locks+0xc7/0x130
[  258.052022]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  258.057139]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  258.062245]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  258.066831]  ? trace_hardirqs_on+0xbd/0x310
[  258.071148]  ? kasan_check_read+0x11/0x20
[  258.075294]  ? ___ratelimit+0x3b4/0x672
[  258.079273]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.084396]  ? trace_hardirqs_on+0x310/0x310
[  258.088815]  ? lock_downgrade+0x900/0x900
[  258.092966]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.098083]  ? ___ratelimit+0x3b9/0x672
[  258.102063]  ? idr_get_free+0xf70/0xf70
[  258.106064]  ? find_held_lock+0x36/0x1c0
[  258.110145]  oom_kill_process.cold.27+0x10/0x903
[  258.114906]  ? zap_class+0x640/0x640
[  258.118614]  ? check_preemption_disabled+0x48/0x280
[  258.123635]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.128564]  ? kasan_check_read+0x11/0x20
[  258.132712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.137988]  ? oom_evaluate_task+0x540/0x540
[  258.142399]  ? find_held_lock+0x36/0x1c0
[  258.146464]  ? out_of_memory+0x974/0x1430
[  258.150639]  ? lock_downgrade+0x900/0x900
[  258.154815]  ? check_preemption_disabled+0x48/0x280
[  258.159828]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.164751]  ? kasan_check_read+0x11/0x20
[  258.168901]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.174172]  ? rcu_softirq_qs+0x20/0x20
[  258.178151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.183688]  ? oom_evaluate_task+0x302/0x540
[  258.188128]  out_of_memory+0xa84/0x1430
[  258.192127]  ? oom_killer_disable+0x3a0/0x3a0
[  258.196634]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  258.201562]  ? __ww_mutex_check_waiters+0x160/0x160
[  258.206637]  __alloc_pages_slowpath+0x2354/0x2e10
[  258.211501]  ? warn_alloc+0x120/0x120
[  258.215310]  ? mark_held_locks+0x130/0x130
[  258.219568]  ? find_get_entry+0xaae/0x1120
[  258.223827]  ? filemap_map_pages+0x1a20/0x1a20
[  258.228426]  ? zap_class+0x640/0x640
[  258.232176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.237715]  ? check_preemption_disabled+0x48/0x280
[  258.242735]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.248272]  ? should_fail+0x22d/0xd01
[  258.252205]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.257305]  ? zap_class+0x640/0x640
[  258.261037]  ? __lock_is_held+0xb5/0x140
[  258.265108]  ? mark_held_locks+0x130/0x130
[  258.269376]  ? lock_release+0xa00/0xa00
[  258.273352]  ? perf_trace_sched_process_exec+0x860/0x860
[  258.278808]  ? xa_load+0x2ba/0x460
[  258.282346]  ? lock_downgrade+0x900/0x900
[  258.286497]  ? __might_sleep+0x95/0x190
[  258.290518]  __alloc_pages_nodemask+0xa80/0xde0
[  258.295220]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  258.300236]  ? __page_cache_alloc+0x191/0x5c0
[  258.304751]  ? xa_load+0x2e1/0x460
[  258.308290]  ? xa_clear_mark+0x40/0x40
[  258.312174]  ? zap_class+0x640/0x640
[  258.315909]  ? zap_class+0x640/0x640
[  258.320148]  ? zap_class+0x640/0x640
[  258.323895]  ? __do_page_cache_readahead+0x663/0x810
[  258.329016]  ? find_held_lock+0x36/0x1c0
[  258.333090]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  258.338641]  alloc_pages_current+0x173/0x350
[  258.343072]  __page_cache_alloc+0x38c/0x5c0
[  258.347449]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.352393]  ? kasan_check_read+0x11/0x20
[  258.356537]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.361820]  ? generic_perform_write+0x6a0/0x6a0
[  258.366585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.372165]  ? check_preemption_disabled+0x48/0x280
[  258.377206]  filemap_fault+0x1595/0x25f0
[  258.381292]  ? __lock_page_or_retry+0xa00/0xa00
[  258.385977]  ? mark_held_locks+0x130/0x130
[  258.390228]  ? filemap_map_pages+0xd6b/0x1a20
[  258.394724]  ? lock_downgrade+0x900/0x900
[  258.398869]  ? check_preemption_disabled+0x48/0x280
[  258.403900]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.408863]  ? kasan_check_read+0x11/0x20
[  258.413017]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.418306]  ? rcu_softirq_qs+0x20/0x20
[  258.422289]  ? filemap_map_pages+0xd92/0x1a20
[  258.426808]  ? find_get_entries_tag+0x1400/0x1400
[  258.431679]  ? debug_object_destroy+0x2b0/0x2b0
[  258.436382]  ? lock_pi_update_atomic+0x150/0x150
[  258.441187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.446844]  ? lock_acquire+0x1ed/0x520
[  258.451009]  ? ext4_filemap_fault+0x7a/0xad
[  258.455347]  ? lock_release+0xa00/0xa00
[  258.459331]  ? perf_trace_sched_process_exec+0x860/0x860
[  258.464785]  ? print_usage_bug+0xc0/0xc0
[  258.468936]  ? print_usage_bug+0xc0/0xc0
[  258.473014]  ? down_read+0x8d/0x120
[  258.476638]  ? ext4_filemap_fault+0x7a/0xad
[  258.481054]  ? __down_interruptible+0x700/0x700
[  258.485736]  ext4_filemap_fault+0x82/0xad
[  258.489910]  __do_fault+0x100/0x6b0
[  258.493537]  ? pmd_devmap_trans_unstable+0x220/0x220
[  258.498659]  ? mark_held_locks+0x130/0x130
[  258.502901]  ? mark_held_locks+0x130/0x130
[  258.507148]  ? debug_smp_processor_id+0x1c/0x20
[  258.511846]  ? perf_trace_lock+0x14d/0x7a0
[  258.516171]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  258.521797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.527344]  __handle_mm_fault+0x3ea0/0x5be0
[  258.531807]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  258.536660]  ? lock_is_held_type+0x210/0x210
[  258.541092]  ? file_remove_privs+0x540/0x540
[  258.545536]  ? zap_class+0x640/0x640
[  258.549267]  ? zap_class+0x640/0x640
[  258.552980]  ? __x64_sys_futex+0x53e/0x6a0
[  258.557262]  ? find_held_lock+0x36/0x1c0
[  258.561375]  ? handle_mm_fault+0x42a/0xc70
[  258.565616]  ? lock_downgrade+0x900/0x900
[  258.569781]  ? check_preemption_disabled+0x48/0x280
[  258.574815]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.579747]  ? kasan_check_read+0x11/0x20
[  258.583902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.589194]  ? rcu_softirq_qs+0x20/0x20
[  258.593215]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.598343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.603891]  ? check_preemption_disabled+0x48/0x280
[  258.608929]  handle_mm_fault+0x54f/0xc70
[  258.613012]  ? __handle_mm_fault+0x5be0/0x5be0
[  258.617611]  ? find_vma+0x34/0x190
[  258.621170]  __do_page_fault+0x5e8/0xe60
[  258.625258]  ? trace_hardirqs_off+0xb8/0x310
[  258.629678]  do_page_fault+0xf2/0x7e0
[  258.633582]  ? vmalloc_sync_all+0x30/0x30
[  258.637739]  ? error_entry+0x70/0xd0
[  258.641479]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.646529]  ? trace_hardirqs_on_caller+0xc0/0x310
[  258.651454]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.656404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.661275]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.666304]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.671762]  ? prepare_exit_to_usermode+0x291/0x3b0
[  258.676793]  ? page_fault+0x8/0x30
[  258.680413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.685257]  ? page_fault+0x8/0x30
[  258.688884]  page_fault+0x1e/0x30
[  258.692335] RIP: 0033:0x40f9c0
[  258.695547] Code: Bad RIP value.
[  258.698928] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  258.704286] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  258.711593] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  258.718859] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  258.726134] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  258.733426] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  258.740749] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  258.740755] warn_alloc_show_mem: 1 callbacks suppressed
[  258.740762] Mem-Info:
[  258.747966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.753368] active_anon:50082 inactive_anon:201 isolated_anon:0
[  258.753368]  active_file:11 inactive_file:13 isolated_file:0
[  258.753368]  unevictable:0 dirty:0 writeback:0 unstable:0
[  258.753368]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  258.753368]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  258.753368]  free:13738 free_pcp:300 free_cma:0
[  258.755752] Call Trace:
[  258.765165] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  258.798007]  <IRQ>
[  258.800578] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  258.828071]  dump_stack+0x244/0x39d
[  258.830215] lowmem_reserve[]: 0 2818 6321 6321
[  258.856321]  ? dump_stack_print_info.cold.1+0x20/0x20
[  258.859921] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  258.864501]  warn_alloc.cold.116+0xb7/0x1bd
[  258.869690] lowmem_reserve[]: 0 0 3503 3503
[  258.897272]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.901568] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  258.905903]  ? lock_downgrade+0x900/0x900
[  258.910716] lowmem_reserve[]: 0 0 0 0
[  258.939618]  ? trace_hardirqs_off+0xb8/0x310
[  258.943756] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  258.947635]  ? trace_hardirqs_off+0xb8/0x310
[  258.952038] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  258.965597]  __alloc_pages_slowpath+0x26e8/0x2e10
[  258.969975] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  258.985074]  ? warn_alloc+0x120/0x120
[  258.989895] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  259.004520]  ? print_usage_bug+0xc0/0xc0
[  259.008388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  259.017243]  ? warn_alloc+0x120/0x120
[  259.021303] 268 total pagecache pages
[  259.029924]  ? warn_alloc+0x120/0x120
[  259.033710] 0 pages in swap cache
[  259.037503]  ? print_usage_bug+0xc0/0xc0
[  259.041280] Swap cache stats: add 0, delete 0, find 0/0
[  259.044739]  ? kvm_clock_read+0x18/0x30
[  259.048773] Free swap  = 0kB
[  259.054124]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  259.058127] Total swap = 0kB
[  259.061155]  ? print_usage_bug+0xc0/0xc0
[  259.066171] 1965979 pages RAM
[  259.069184]  ? __lock_acquire+0x62f/0x4c20
[  259.073257] 0 pages HighMem/MovableOnly
[  259.076357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.080572] 342853 pages reserved
[  259.084573]  ? should_fail+0x22d/0xd01
[  259.090111] 0 pages cma reserved
[  259.093578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.097596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.100918]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.106359] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.112719]  ? __lock_acquire+0x62f/0x4c20
[  259.117800] syz-fuzzer cpuset=/ mems_allowed=0
[  259.128016]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.141924]  ? __lock_acquire+0x62f/0x4c20
[  259.146160]  ? should_fail+0x22d/0xd01
[  259.150039]  ? rcu_irq_exit+0x1a2/0x390
[  259.154038]  ? mark_held_locks+0x130/0x130
[  259.158310]  ? mark_held_locks+0x130/0x130
[  259.162561]  ? mark_held_locks+0xc7/0x130
[  259.166717]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  259.171731]  ? zap_class+0x640/0x640
[  259.175439]  ? print_usage_bug+0xc0/0xc0
[  259.179747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.185326]  ? check_preemption_disabled+0x48/0x280
[  259.190361]  ? __lock_is_held+0xb5/0x140
[  259.194420]  __alloc_pages_nodemask+0xa80/0xde0
[  259.199129]  ? zap_class+0x640/0x640
[  259.202860]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  259.207897]  ? find_held_lock+0x36/0x1c0
[  259.211976]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.216648]  ? lock_downgrade+0x900/0x900
[  259.220814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.226374]  cache_grow_begin+0xa5/0x8c0
[  259.230455]  ? do_raw_spin_unlock+0xa7/0x330
[  259.234874]  fallback_alloc+0x204/0x2e0
[  259.238878]  ____cache_alloc_node+0x1c7/0x1e0
[  259.243401]  kmem_cache_alloc_node+0xe3/0x730
[  259.247891]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.252134]  __alloc_skb+0x119/0x770
[  259.255839]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.261128]  ? netdev_alloc_frag+0x1f0/0x1f0
[  259.265532]  ? lock_downgrade+0x900/0x900
[  259.269680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.275231]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.280681]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.286144]  ? addrconf_rs_timer+0x690/0x690
[  259.290575]  ndisc_alloc_skb+0x144/0x340
[  259.294670]  ndisc_send_rs+0x331/0x6e0
[  259.298575]  addrconf_rs_timer+0x314/0x690
[  259.302835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.307104]  call_timer_fn+0x272/0x920
[  259.311032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.315353]  ? process_timeout+0x40/0x40
[  259.319439]  ? __run_timers+0x7da/0xc70
[  259.323421]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.327920]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.332426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.336662]  ? lockdep_hardirqs_on+0x296/0x5b0
[  259.341261]  ? trace_hardirqs_on+0xbd/0x310
[  259.345613]  ? kasan_check_read+0x11/0x20
[  259.349762]  ? __run_timers+0x7da/0xc70
[  259.353740]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.358847]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.363094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.367324]  __run_timers+0x7e5/0xc70
[  259.371133]  ? timer_fixup_init+0x70/0x70
[  259.375287]  ? kasan_check_read+0x11/0x20
[  259.379461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.384754]  ? rcu_softirq_qs+0x20/0x20
[  259.388758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.394293]  ? check_preemption_disabled+0x48/0x280
[  259.399348]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  259.404138]  ? retint_kernel+0x2d/0x2d
[  259.408024]  ? trace_hardirqs_on_caller+0xc0/0x310
[  259.412983]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  259.417736]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.423185]  ? zap_class+0x640/0x640
[  259.426905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.432441]  ? check_preemption_disabled+0x48/0x280
[  259.437467]  ? __lock_is_held+0xb5/0x140
[  259.441539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.447116]  ? check_preemption_disabled+0x48/0x280
[  259.452186]  run_timer_softirq+0x52/0xb0
[  259.456247]  ? rcu_read_lock_sched_held+0x14f/0x180
[  259.461260]  __do_softirq+0x308/0xb7e
[  259.465071]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  259.469611]  ? lock_downgrade+0x900/0x900
[  259.473763]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  259.478872]  ? pvclock_read_flags+0x160/0x160
[  259.483385]  ? lapic_next_event+0x5a/0x90
[  259.487534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.493073]  ? kvm_clock_read+0x18/0x30
[  259.497110]  ? kvm_sched_clock_read+0x9/0x20
[  259.501530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.507066]  ? check_preemption_disabled+0x48/0x280
[  259.512116]  irq_exit+0x17f/0x1c0
[  259.515568]  smp_apic_timer_interrupt+0x1cb/0x760
[  259.520411]  ? smp_reschedule_interrupt+0x109/0x650
[  259.525442]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.531328]  ? interrupt_entry+0xb5/0xc0
[  259.535403]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.540412]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.545432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.550283]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.555293]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.560312]  ? task_prio+0x50/0x50
[  259.563871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.569420]  ? check_preemption_disabled+0x48/0x280
[  259.574445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.579294]  apic_timer_interrupt+0xf/0x20
[  259.583543]  </IRQ>
[  259.585780] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  259.590728] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  259.609671] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  259.617394] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  259.624660] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  259.631936] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  259.639229] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  259.646544] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  259.653854]  skb_clone+0x1bb/0x500
[  259.657420]  ? finish_task_switch+0x1b4/0x910
[  259.661925]  ? skb_split+0x11e0/0x11e0
[  259.665814]  ? preempt_notifier_register+0x200/0x200
[  259.670936]  ? __switch_to_asm+0x34/0x70
[  259.674995]  ? __switch_to_asm+0x34/0x70
[  259.679085]  ? __switch_to_asm+0x40/0x70
[  259.683170]  ? __switch_to_asm+0x34/0x70
[  259.687344]  ? __switch_to_asm+0x40/0x70
[  259.691403]  ? __switch_to_asm+0x34/0x70
[  259.695459]  ? __switch_to_asm+0x40/0x70
[  259.699518]  ? __switch_to_asm+0x34/0x70
[  259.703577]  ? __switch_to_asm+0x34/0x70
[  259.707656]  ? __switch_to_asm+0x40/0x70
[  259.711726]  ? __switch_to_asm+0x34/0x70
[  259.715797]  bpf_clone_redirect+0xb9/0x490
[  259.720040]  ? __schedule+0x8d7/0x21d0
[  259.723934]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  259.728954]  ? __sched_text_start+0x8/0x8
[  259.733143]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  259.737746]  ? retint_kernel+0x2d/0x2d
[  259.741636]  ? trace_hardirqs_on_caller+0xc0/0x310
[  259.746571]  ? find_held_lock+0x36/0x1c0
[  259.750651]  ? lock_acquire+0x1ed/0x520
[  259.754630]  ? bpf_test_run+0x3cb/0x780
[  259.758608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.764156]  ? check_preemption_disabled+0x48/0x280
[  259.769188]  ? kasan_check_read+0x11/0x20
[  259.773377]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.778658]  ? rcu_softirq_qs+0x20/0x20
[  259.782651]  ? preempt_schedule+0x4d/0x60
[  259.786833]  ? ___preempt_schedule+0x16/0x18
[  259.791263]  ? bpf_test_run+0x25d/0x780
[  259.795263]  ? netlink_diag_dump+0x2a0/0x2a0
[  259.799680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.805222]  ? bpf_test_init.isra.10+0x70/0x100
[  259.809897]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  259.814687]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  259.819535]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  259.825083]  ? fput+0x130/0x1a0
[  259.828369]  ? __bpf_prog_get+0x9b/0x290
[  259.832435]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  259.837281]  ? bpf_prog_test_run+0x130/0x1a0
[  259.841713]  ? __x64_sys_bpf+0x3d8/0x520
[  259.845775]  ? bpf_prog_get+0x20/0x20
[  259.849620]  ? do_syscall_64+0x1b9/0x820
[  259.853719]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  259.859102]  ? syscall_return_slowpath+0x5e0/0x5e0
[  259.864027]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.868870]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.873890]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  259.878907]  ? prepare_exit_to_usermode+0x291/0x3b0
[  259.883944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.888806]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  259.894205] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  259.894325] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.901197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.901205] Call Trace:
[  259.907806] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.917052]  <IRQ>
[  259.919632] syz-executor3 cpuset=syz3 mems_allowed=0
[  259.930149]  dump_stack+0x244/0x39d
[  259.941014]  ? dump_stack_print_info.cold.1+0x20/0x20
[  259.946227]  warn_alloc.cold.116+0xb7/0x1bd
[  259.950567]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.955434]  ? lock_downgrade+0x900/0x900
[  259.959617]  ? trace_hardirqs_off+0xb8/0x310
[  259.964051]  ? trace_hardirqs_off+0xb8/0x310
[  259.968525]  __alloc_pages_slowpath+0x26e8/0x2e10
[  259.973396]  ? warn_alloc+0x120/0x120
[  259.977219]  ? print_usage_bug+0xc0/0xc0
[  259.981280]  ? warn_alloc+0x120/0x120
[  259.985117]  ? warn_alloc+0x120/0x120
[  259.988943]  ? print_usage_bug+0xc0/0xc0
[  259.993005]  ? kvm_clock_read+0x18/0x30
[  259.997004]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  260.002049]  ? print_usage_bug+0xc0/0xc0
[  260.006123]  ? __lock_acquire+0x62f/0x4c20
[  260.010376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.015915]  ? should_fail+0x22d/0xd01
[  260.019818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.025122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.030231]  ? __lock_acquire+0x62f/0x4c20
[  260.034481]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.039620]  ? __lock_acquire+0x62f/0x4c20
[  260.043856]  ? should_fail+0x22d/0xd01
[  260.047737]  ? rcu_irq_exit+0x1a2/0x390
[  260.051726]  ? mark_held_locks+0x130/0x130
[  260.055962]  ? mark_held_locks+0x130/0x130
[  260.060214]  ? mark_held_locks+0xc7/0x130
[  260.064390]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  260.069426]  ? zap_class+0x640/0x640
[  260.073141]  ? print_usage_bug+0xc0/0xc0
[  260.077211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.082767]  ? check_preemption_disabled+0x48/0x280
[  260.087798]  ? __lock_is_held+0xb5/0x140
[  260.091864]  __alloc_pages_nodemask+0xa80/0xde0
[  260.096532]  ? zap_class+0x640/0x640
[  260.100268]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  260.105315]  ? find_held_lock+0x36/0x1c0
[  260.109441]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.114145]  ? lock_downgrade+0x900/0x900
[  260.118332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.123892]  cache_grow_begin+0xa5/0x8c0
[  260.127955]  ? do_raw_spin_unlock+0xa7/0x330
[  260.132379]  fallback_alloc+0x204/0x2e0
[  260.136402]  ____cache_alloc_node+0x1c7/0x1e0
[  260.140906]  kmem_cache_alloc_node+0xe3/0x730
[  260.145415]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.149675]  __alloc_skb+0x119/0x770
[  260.153414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.158728]  ? netdev_alloc_frag+0x1f0/0x1f0
[  260.163138]  ? lock_downgrade+0x900/0x900
[  260.167438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.172972]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.178425]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.183879]  ? addrconf_rs_timer+0x690/0x690
[  260.188318]  ndisc_alloc_skb+0x144/0x340
[  260.192395]  ndisc_send_rs+0x331/0x6e0
[  260.196291]  addrconf_rs_timer+0x314/0x690
[  260.200534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.204785]  call_timer_fn+0x272/0x920
[  260.208670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.212911]  ? process_timeout+0x40/0x40
[  260.217000]  ? mark_held_locks+0xc7/0x130
[  260.221182]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.225709]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.230204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.234457]  ? lockdep_hardirqs_on+0x296/0x5b0
[  260.239096]  ? trace_hardirqs_on+0xbd/0x310
[  260.243442]  ? kasan_check_read+0x11/0x20
[  260.247639]  ? __run_timers+0x7da/0xc70
[  260.251619]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.256746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.261000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.265281]  __run_timers+0x7e5/0xc70
[  260.269097]  ? timer_fixup_init+0x70/0x70
[  260.273250]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.278286]  ? zap_class+0x640/0x640
[  260.282005]  ? print_usage_bug+0xc0/0xc0
[  260.286070]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.291281]  ? find_held_lock+0x36/0x1c0
[  260.295358]  ? zap_class+0x640/0x640
[  260.299072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.304620]  ? check_preemption_disabled+0x48/0x280
[  260.309640]  ? __lock_is_held+0xb5/0x140
[  260.313698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.319762]  ? check_preemption_disabled+0x48/0x280
[  260.324783]  run_timer_softirq+0x52/0xb0
[  260.328857]  ? rcu_read_lock_sched_held+0x14f/0x180
[  260.333875]  __do_softirq+0x308/0xb7e
[  260.337681]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  260.342176]  ? lock_downgrade+0x900/0x900
[  260.346331]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.351478]  ? pvclock_read_flags+0x160/0x160
[  260.355973]  ? lapic_next_event+0x5a/0x90
[  260.360139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.365708]  ? kvm_clock_read+0x18/0x30
[  260.369694]  ? kvm_sched_clock_read+0x9/0x20
[  260.374109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.379644]  ? check_preemption_disabled+0x48/0x280
[  260.384670]  irq_exit+0x17f/0x1c0
[  260.388140]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.393108]  ? smp_reschedule_interrupt+0x109/0x650
[  260.398156]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.404057]  ? interrupt_entry+0xb5/0xc0
[  260.408141]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.413193]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.419334]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.424189]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.429227]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.434241]  ? task_prio+0x50/0x50
[  260.437791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.443326]  ? check_preemption_disabled+0x48/0x280
[  260.448344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.453368]  apic_timer_interrupt+0xf/0x20
[  260.457593]  </IRQ>
[  260.459831] RIP: 0010:dump_stack+0x358/0x39d
[  260.464330] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  260.483240] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  260.490944] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  260.498209] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  260.505474] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  260.512735] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  260.519997] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  260.527295]  ? dump_stack+0x34f/0x39d
[  260.531150]  ? dump_stack_print_info.cold.1+0x20/0x20
[  260.536346]  ? mark_held_locks+0x130/0x130
[  260.540627]  ? mark_held_locks+0x130/0x130
[  260.544875]  dump_header+0x27b/0xf72
[  260.548617]  ? pagefault_out_of_memory+0x197/0x197
[  260.553557]  ? __lock_acquire+0x62f/0x4c20
[  260.557794]  ? percpu_ref_get_many+0x240/0x240
[  260.562400]  ? print_usage_bug+0xc0/0xc0
[  260.566461]  ? zap_class+0x640/0x640
[  260.570180]  ? print_usage_bug+0xc0/0xc0
[  260.574242]  ? print_usage_bug+0xc0/0xc0
[  260.578306]  ? zap_class+0x640/0x640
[  260.582024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.587562]  ? find_held_lock+0x36/0x1c0
[  260.591628]  ? mark_held_locks+0xc7/0x130
[  260.595776]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  260.600894]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  260.606008]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  260.610590]  ? trace_hardirqs_on+0xbd/0x310
[  260.614904]  ? kasan_check_read+0x11/0x20
[  260.619049]  ? ___ratelimit+0x3b4/0x672
[  260.623040]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.628142]  ? trace_hardirqs_on+0x310/0x310
[  260.632550]  ? lock_downgrade+0x900/0x900
[  260.636705]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  260.641806]  ? ___ratelimit+0x3b9/0x672
[  260.645791]  ? idr_get_free+0xf70/0xf70
[  260.649765]  ? find_held_lock+0x36/0x1c0
[  260.653831]  oom_kill_process.cold.27+0x10/0x903
[  260.658586]  ? zap_class+0x640/0x640
[  260.662299]  ? check_preemption_disabled+0x48/0x280
[  260.667348]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.672272]  ? kasan_check_read+0x11/0x20
[  260.676446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.681732]  ? oom_evaluate_task+0x540/0x540
[  260.686144]  ? find_held_lock+0x36/0x1c0
[  260.690213]  ? out_of_memory+0x974/0x1430
[  260.694362]  ? lock_downgrade+0x900/0x900
[  260.698514]  ? check_preemption_disabled+0x48/0x280
[  260.703538]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.708469]  ? kasan_check_read+0x11/0x20
[  260.712614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.717890]  ? rcu_softirq_qs+0x20/0x20
[  260.721863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.727399]  ? oom_evaluate_task+0x302/0x540
[  260.731811]  out_of_memory+0xa84/0x1430
[  260.735796]  ? oom_killer_disable+0x3a0/0x3a0
[  260.740294]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  260.745229]  ? __ww_mutex_check_waiters+0x160/0x160
[  260.750256]  __alloc_pages_slowpath+0x2354/0x2e10
[  260.755135]  ? warn_alloc+0x120/0x120
[  260.758936]  ? mark_held_locks+0x130/0x130
[  260.763177]  ? find_get_entry+0xaae/0x1120
[  260.767422]  ? filemap_map_pages+0x1a20/0x1a20
[  260.772027]  ? zap_class+0x640/0x640
[  260.775746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.781285]  ? check_preemption_disabled+0x48/0x280
[  260.786302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.791837]  ? should_fail+0x22d/0xd01
[  260.795728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.800846]  ? zap_class+0x640/0x640
[  260.804616]  ? __lock_is_held+0xb5/0x140
[  260.808683]  ? mark_held_locks+0x130/0x130
[  260.812920]  ? lock_release+0xa00/0xa00
[  260.816898]  ? perf_trace_sched_process_exec+0x860/0x860
[  260.822397]  ? xa_load+0x2ba/0x460
[  260.825940]  ? lock_downgrade+0x900/0x900
[  260.830103]  ? __might_sleep+0x95/0x190
[  260.834099]  __alloc_pages_nodemask+0xa80/0xde0
[  260.838811]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  260.843831]  ? __page_cache_alloc+0x191/0x5c0
[  260.848326]  ? xa_load+0x2e1/0x460
[  260.851868]  ? xa_clear_mark+0x40/0x40
[  260.855761]  ? zap_class+0x640/0x640
[  260.859481]  ? zap_class+0x640/0x640
[  260.863197]  ? zap_class+0x640/0x640
[  260.866914]  ? __do_page_cache_readahead+0x663/0x810
[  260.872021]  ? find_held_lock+0x36/0x1c0
[  260.876097]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  260.881643]  alloc_pages_current+0x173/0x350
[  260.886057]  __page_cache_alloc+0x38c/0x5c0
[  260.890398]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.895352]  ? kasan_check_read+0x11/0x20
[  260.899513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.904833]  ? generic_perform_write+0x6a0/0x6a0
[  260.909590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.915163]  ? check_preemption_disabled+0x48/0x280
[  260.920201]  filemap_fault+0x1595/0x25f0
[  260.924308]  ? __lock_page_or_retry+0xa00/0xa00
[  260.928980]  ? mark_held_locks+0x130/0x130
[  260.933220]  ? filemap_map_pages+0xd6b/0x1a20
[  260.937734]  ? lock_downgrade+0x900/0x900
[  260.941895]  ? check_preemption_disabled+0x48/0x280
[  260.946913]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.951839]  ? kasan_check_read+0x11/0x20
[  260.955989]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.961264]  ? rcu_softirq_qs+0x20/0x20
[  260.965263]  ? filemap_map_pages+0xd92/0x1a20
[  260.969783]  ? find_get_entries_tag+0x1400/0x1400
[  260.974629]  ? debug_object_destroy+0x2b0/0x2b0
[  260.979313]  ? lock_pi_update_atomic+0x150/0x150
[  260.984070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.989633]  ? lock_acquire+0x1ed/0x520
[  260.993602]  ? ext4_filemap_fault+0x7a/0xad
[  260.997933]  ? lock_release+0xa00/0xa00
[  261.001903]  ? perf_trace_sched_process_exec+0x860/0x860
[  261.007356]  ? print_usage_bug+0xc0/0xc0
[  261.011443]  ? print_usage_bug+0xc0/0xc0
[  261.015528]  ? down_read+0x8d/0x120
[  261.019159]  ? ext4_filemap_fault+0x7a/0xad
[  261.023526]  ? __down_interruptible+0x700/0x700
[  261.028217]  ext4_filemap_fault+0x82/0xad
[  261.032416]  __do_fault+0x100/0x6b0
[  261.036041]  ? pmd_devmap_trans_unstable+0x220/0x220
[  261.041162]  ? mark_held_locks+0x130/0x130
[  261.045413]  ? mark_held_locks+0x130/0x130
[  261.049647]  ? debug_smp_processor_id+0x1c/0x20
[  261.054311]  ? perf_trace_lock+0x14d/0x7a0
[  261.058542]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  261.064201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.069799]  __handle_mm_fault+0x3ea0/0x5be0
[  261.074247]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  261.079129]  ? lock_is_held_type+0x210/0x210
[  261.083542]  ? file_remove_privs+0x540/0x540
[  261.087960]  ? zap_class+0x640/0x640
[  261.091708]  ? zap_class+0x640/0x640
[  261.095463]  ? __x64_sys_futex+0x53e/0x6a0
[  261.099700]  ? find_held_lock+0x36/0x1c0
[  261.103763]  ? handle_mm_fault+0x42a/0xc70
[  261.107996]  ? lock_downgrade+0x900/0x900
[  261.112144]  ? check_preemption_disabled+0x48/0x280
[  261.117162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  261.122099]  ? kasan_check_read+0x11/0x20
[  261.126244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.131516]  ? rcu_softirq_qs+0x20/0x20
[  261.135487]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.140605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.146162]  ? check_preemption_disabled+0x48/0x280
[  261.151213]  handle_mm_fault+0x54f/0xc70
[  261.155276]  ? __handle_mm_fault+0x5be0/0x5be0
[  261.159857]  ? find_vma+0x34/0x190
[  261.163408]  __do_page_fault+0x5e8/0xe60
[  261.167492]  ? trace_hardirqs_off+0xb8/0x310
[  261.171908]  do_page_fault+0xf2/0x7e0
[  261.175709]  ? vmalloc_sync_all+0x30/0x30
[  261.179867]  ? error_entry+0x70/0xd0
[  261.183580]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.188592]  ? trace_hardirqs_on_caller+0xc0/0x310
[  261.193521]  ? syscall_return_slowpath+0x5e0/0x5e0
[  261.198459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.203330]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.208342]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.213793]  ? prepare_exit_to_usermode+0x291/0x3b0
[  261.218805]  ? page_fault+0x8/0x30
[  261.222361]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.227230]  ? page_fault+0x8/0x30
[  261.230796]  page_fault+0x1e/0x30
[  261.234261] RIP: 0033:0x40f9c0
[  261.237468] Code: Bad RIP value.
[  261.240825] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  261.246187] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  261.253450] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  261.260707] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  261.267969] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  261.275229] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  261.282627] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  261.282632] warn_alloc_show_mem: 1 callbacks suppressed
[  261.282639] Mem-Info:
[  261.289838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.295204] active_anon:50082 inactive_anon:201 isolated_anon:0
[  261.295204]  active_file:11 inactive_file:13 isolated_file:0
[  261.295204]  unevictable:0 dirty:0 writeback:0 unstable:0
[  261.295204]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  261.295204]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  261.295204]  free:13738 free_pcp:300 free_cma:0
[  261.297578] Call Trace:
[  261.306965] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  261.339814]  <IRQ>
[  261.342400] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  261.369932]  dump_stack+0x244/0x39d
[  261.372057] lowmem_reserve[]: 0 2818 6321 6321
[  261.398166]  ? dump_stack_print_info.cold.1+0x20/0x20
[  261.401768] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  261.406351]  warn_alloc.cold.116+0xb7/0x1bd
[  261.411507] lowmem_reserve[]: 0 0 3503 3503
[  261.439105]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.443401] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  261.447749]  ? lock_downgrade+0x900/0x900
[  261.452563] lowmem_reserve[]: 0 0 0 0
[  261.481460]  ? trace_hardirqs_off+0xb8/0x310
[  261.485597] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  261.489394]  ? trace_hardirqs_off+0xb8/0x310
[  261.493774] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  261.507310]  __alloc_pages_slowpath+0x26e8/0x2e10
[  261.511697] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  261.526800]  ? warn_alloc+0x120/0x120
[  261.531608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  261.546175]  ? print_usage_bug+0xc0/0xc0
[  261.549956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  261.558790]  ? warn_alloc+0x120/0x120
[  261.562828] 268 total pagecache pages
[  261.571400]  ? warn_alloc+0x120/0x120
[  261.575185] 0 pages in swap cache
[  261.578984]  ? print_usage_bug+0xc0/0xc0
[  261.582764] Swap cache stats: add 0, delete 0, find 0/0
[  261.586212]  ? kvm_clock_read+0x18/0x30
[  261.590248] Free swap  = 0kB
[  261.595611]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  261.599564] Total swap = 0kB
[  261.602585]  ? print_usage_bug+0xc0/0xc0
[  261.607582] 1965979 pages RAM
[  261.610610]  ? __lock_acquire+0x62f/0x4c20
[  261.614667] 0 pages HighMem/MovableOnly
[  261.617768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.621976] 342853 pages reserved
[  261.625944]  ? should_fail+0x22d/0xd01
[  261.631461] 0 pages cma reserved
[  261.634911]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.638843] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  261.642139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.647482] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.653875]  ? __lock_acquire+0x62f/0x4c20
[  261.658952] syz-fuzzer cpuset=/ mems_allowed=0
[  261.669167]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.683048]  ? __lock_acquire+0x62f/0x4c20
[  261.687345]  ? should_fail+0x22d/0xd01
[  261.691270]  ? rcu_irq_exit+0x1a2/0x390
[  261.695254]  ? mark_held_locks+0x130/0x130
[  261.699490]  ? mark_held_locks+0x130/0x130
[  261.703730]  ? mark_held_locks+0xc7/0x130
[  261.707875]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  261.712911]  ? zap_class+0x640/0x640
[  261.716634]  ? print_usage_bug+0xc0/0xc0
[  261.720699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.726237]  ? check_preemption_disabled+0x48/0x280
[  261.731292]  ? __lock_is_held+0xb5/0x140
[  261.735376]  __alloc_pages_nodemask+0xa80/0xde0
[  261.740042]  ? zap_class+0x640/0x640
[  261.743768]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  261.748808]  ? find_held_lock+0x36/0x1c0
[  261.752878]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.757547]  ? lock_downgrade+0x900/0x900
[  261.761705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.767266]  cache_grow_begin+0xa5/0x8c0
[  261.771328]  ? do_raw_spin_unlock+0xa7/0x330
[  261.775747]  fallback_alloc+0x204/0x2e0
[  261.779732]  ____cache_alloc_node+0x1c7/0x1e0
[  261.784237]  kmem_cache_alloc_node+0xe3/0x730
[  261.788739]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.792984]  __alloc_skb+0x119/0x770
[  261.796699]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.801982]  ? netdev_alloc_frag+0x1f0/0x1f0
[  261.806392]  ? lock_downgrade+0x900/0x900
[  261.810609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.816150]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.821610]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.827082]  ? addrconf_rs_timer+0x690/0x690
[  261.831506]  ndisc_alloc_skb+0x144/0x340
[  261.835576]  ndisc_send_rs+0x331/0x6e0
[  261.839476]  addrconf_rs_timer+0x314/0x690
[  261.843728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.847973]  call_timer_fn+0x272/0x920
[  261.851862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.856160]  ? process_timeout+0x40/0x40
[  261.860232]  ? __run_timers+0x7da/0xc70
[  261.864208]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.868698]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.873186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.877425]  ? lockdep_hardirqs_on+0x296/0x5b0
[  261.882005]  ? trace_hardirqs_on+0xbd/0x310
[  261.886324]  ? kasan_check_read+0x11/0x20
[  261.890479]  ? __run_timers+0x7da/0xc70
[  261.894446]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.899567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.903807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.908038]  __run_timers+0x7e5/0xc70
[  261.911850]  ? timer_fixup_init+0x70/0x70
[  261.915991]  ? kasan_check_read+0x11/0x20
[  261.920153]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.925441]  ? rcu_softirq_qs+0x20/0x20
[  261.929420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.934954]  ? check_preemption_disabled+0x48/0x280
[  261.939971]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  261.944723]  ? retint_kernel+0x2d/0x2d
[  261.948606]  ? trace_hardirqs_on_caller+0xc0/0x310
[  261.953565]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  261.958341]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.963803]  ? zap_class+0x640/0x640
[  261.967539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.973102]  ? check_preemption_disabled+0x48/0x280
[  261.978125]  ? __lock_is_held+0xb5/0x140
[  261.982185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.987731]  ? check_preemption_disabled+0x48/0x280
[  261.992753]  run_timer_softirq+0x52/0xb0
[  261.996811]  ? rcu_read_lock_sched_held+0x14f/0x180
[  262.001822]  __do_softirq+0x308/0xb7e
[  262.005626]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  262.010123]  ? lock_downgrade+0x900/0x900
[  262.014273]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  262.019384]  ? pvclock_read_flags+0x160/0x160
[  262.023875]  ? lapic_next_event+0x5a/0x90
[  262.028034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.033570]  ? kvm_clock_read+0x18/0x30
[  262.037552]  ? kvm_sched_clock_read+0x9/0x20
[  262.041955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.047493]  ? check_preemption_disabled+0x48/0x280
[  262.052528]  irq_exit+0x17f/0x1c0
[  262.055978]  smp_apic_timer_interrupt+0x1cb/0x760
[  262.060816]  ? smp_reschedule_interrupt+0x109/0x650
[  262.065830]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.071705]  ? interrupt_entry+0xb5/0xc0
[  262.075764]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.080787]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.085822]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.090662]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.095673]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.100690]  ? task_prio+0x50/0x50
[  262.104242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.109775]  ? check_preemption_disabled+0x48/0x280
[  262.114794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.119638]  apic_timer_interrupt+0xf/0x20
[  262.123872]  </IRQ>
[  262.126108] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  262.131036] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  262.149965] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  262.157682] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  262.164945] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  262.172243] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  262.179502] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  262.186769] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  262.194098]  skb_clone+0x1bb/0x500
[  262.197652]  ? finish_task_switch+0x1b4/0x910
[  262.202147]  ? skb_split+0x11e0/0x11e0
[  262.206034]  ? preempt_notifier_register+0x200/0x200
[  262.211138]  ? __switch_to_asm+0x34/0x70
[  262.215197]  ? __switch_to_asm+0x34/0x70
[  262.219272]  ? __switch_to_asm+0x40/0x70
[  262.223329]  ? __switch_to_asm+0x34/0x70
[  262.227383]  ? __switch_to_asm+0x40/0x70
[  262.231470]  ? __switch_to_asm+0x34/0x70
[  262.235526]  ? __switch_to_asm+0x40/0x70
[  262.239580]  ? __switch_to_asm+0x34/0x70
[  262.243656]  ? __switch_to_asm+0x34/0x70
[  262.247711]  ? __switch_to_asm+0x40/0x70
[  262.251765]  ? __switch_to_asm+0x34/0x70
[  262.255828]  bpf_clone_redirect+0xb9/0x490
[  262.260060]  ? __schedule+0x8d7/0x21d0
[  262.263957]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  262.268973]  ? __sched_text_start+0x8/0x8
[  262.273117]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  262.277692]  ? retint_kernel+0x2d/0x2d
[  262.281576]  ? trace_hardirqs_on_caller+0xc0/0x310
[  262.286511]  ? find_held_lock+0x36/0x1c0
[  262.290585]  ? lock_acquire+0x1ed/0x520
[  262.294566]  ? bpf_test_run+0x3cb/0x780
[  262.298547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.304117]  ? check_preemption_disabled+0x48/0x280
[  262.309154]  ? kasan_check_read+0x11/0x20
[  262.313303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.318603]  ? rcu_softirq_qs+0x20/0x20
[  262.322614]  ? preempt_schedule+0x4d/0x60
[  262.326760]  ? ___preempt_schedule+0x16/0x18
[  262.331172]  ? bpf_test_run+0x25d/0x780
[  262.335168]  ? netlink_diag_dump+0x2a0/0x2a0
[  262.339579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.345122]  ? bpf_test_init.isra.10+0x70/0x100
[  262.349799]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  262.354571]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  262.359415]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  262.364948]  ? fput+0x130/0x1a0
[  262.368225]  ? __bpf_prog_get+0x9b/0x290
[  262.372285]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  262.377126]  ? bpf_prog_test_run+0x130/0x1a0
[  262.381546]  ? __x64_sys_bpf+0x3d8/0x520
[  262.385610]  ? bpf_prog_get+0x20/0x20
[  262.389436]  ? do_syscall_64+0x1b9/0x820
[  262.393583]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  262.398950]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.403906]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.408747]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.413760]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  262.418775]  ? prepare_exit_to_usermode+0x291/0x3b0
[  262.423805]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.428651]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  262.434026] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  262.434100] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.440946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.440954] Call Trace:
[  262.447523] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.456984]  <IRQ>
[  262.459585] syz-executor3 cpuset=syz3 mems_allowed=0
[  262.470060]  dump_stack+0x244/0x39d
[  262.480901]  ? dump_stack_print_info.cold.1+0x20/0x20
[  262.486128]  warn_alloc.cold.116+0xb7/0x1bd
[  262.490473]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.495319]  ? lock_downgrade+0x900/0x900
[  262.499471]  ? trace_hardirqs_off+0xb8/0x310
[  262.503877]  ? trace_hardirqs_off+0xb8/0x310
[  262.508316]  __alloc_pages_slowpath+0x26e8/0x2e10
[  262.513193]  ? warn_alloc+0x120/0x120
[  262.517003]  ? print_usage_bug+0xc0/0xc0
[  262.521059]  ? warn_alloc+0x120/0x120
[  262.524877]  ? warn_alloc+0x120/0x120
[  262.528674]  ? print_usage_bug+0xc0/0xc0
[  262.532748]  ? kvm_clock_read+0x18/0x30
[  262.536730]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  262.541765]  ? print_usage_bug+0xc0/0xc0
[  262.545837]  ? __lock_acquire+0x62f/0x4c20
[  262.550106]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.555663]  ? should_fail+0x22d/0xd01
[  262.559562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.564897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.570032]  ? __lock_acquire+0x62f/0x4c20
[  262.574293]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.579418]  ? __lock_acquire+0x62f/0x4c20
[  262.583658]  ? should_fail+0x22d/0xd01
[  262.587544]  ? rcu_irq_exit+0x1a2/0x390
[  262.591545]  ? mark_held_locks+0x130/0x130
[  262.595800]  ? mark_held_locks+0x130/0x130
[  262.600040]  ? mark_held_locks+0xc7/0x130
[  262.604208]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  262.609223]  ? zap_class+0x640/0x640
[  262.612969]  ? print_usage_bug+0xc0/0xc0
[  262.617048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.622599]  ? check_preemption_disabled+0x48/0x280
[  262.627666]  ? __lock_is_held+0xb5/0x140
[  262.631783]  __alloc_pages_nodemask+0xa80/0xde0
[  262.636457]  ? zap_class+0x640/0x640
[  262.640177]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  262.645205]  ? find_held_lock+0x36/0x1c0
[  262.649273]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.653953]  ? lock_downgrade+0x900/0x900
[  262.658129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.663668]  cache_grow_begin+0xa5/0x8c0
[  262.667723]  ? do_raw_spin_unlock+0xa7/0x330
[  262.672147]  fallback_alloc+0x204/0x2e0
[  262.676131]  ____cache_alloc_node+0x1c7/0x1e0
[  262.680648]  kmem_cache_alloc_node+0xe3/0x730
[  262.685189]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.689434]  __alloc_skb+0x119/0x770
[  262.693148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.698435]  ? netdev_alloc_frag+0x1f0/0x1f0
[  262.702853]  ? lock_downgrade+0x900/0x900
[  262.707015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.712563]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.718020]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.723473]  ? addrconf_rs_timer+0x690/0x690
[  262.727907]  ndisc_alloc_skb+0x144/0x340
[  262.731977]  ndisc_send_rs+0x331/0x6e0
[  262.735874]  addrconf_rs_timer+0x314/0x690
[  262.740134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.744379]  call_timer_fn+0x272/0x920
[  262.748271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.752507]  ? process_timeout+0x40/0x40
[  262.756595]  ? mark_held_locks+0xc7/0x130
[  262.760746]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.765253]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.769778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.774011]  ? lockdep_hardirqs_on+0x296/0x5b0
[  262.778612]  ? trace_hardirqs_on+0xbd/0x310
[  262.782962]  ? kasan_check_read+0x11/0x20
[  262.787122]  ? __run_timers+0x7da/0xc70
[  262.791110]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.796247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.800490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.804722]  __run_timers+0x7e5/0xc70
[  262.808531]  ? timer_fixup_init+0x70/0x70
[  262.812685]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.817704]  ? zap_class+0x640/0x640
[  262.821425]  ? print_usage_bug+0xc0/0xc0
[  262.825519]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  262.830715]  ? find_held_lock+0x36/0x1c0
[  262.834785]  ? zap_class+0x640/0x640
[  262.838525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.844067]  ? check_preemption_disabled+0x48/0x280
[  262.849131]  ? __lock_is_held+0xb5/0x140
[  262.853200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.858754]  ? check_preemption_disabled+0x48/0x280
[  262.863772]  run_timer_softirq+0x52/0xb0
[  262.867831]  ? rcu_read_lock_sched_held+0x14f/0x180
[  262.872846]  __do_softirq+0x308/0xb7e
[  262.876651]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  262.881164]  ? lock_downgrade+0x900/0x900
[  262.885318]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  262.890430]  ? pvclock_read_flags+0x160/0x160
[  262.894930]  ? lapic_next_event+0x5a/0x90
[  262.899095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.904637]  ? kvm_clock_read+0x18/0x30
[  262.908614]  ? kvm_sched_clock_read+0x9/0x20
[  262.913023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.918559]  ? check_preemption_disabled+0x48/0x280
[  262.923597]  irq_exit+0x17f/0x1c0
[  262.927056]  smp_apic_timer_interrupt+0x1cb/0x760
[  262.931927]  ? smp_reschedule_interrupt+0x109/0x650
[  262.936943]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.942826]  ? interrupt_entry+0xb5/0xc0
[  262.946906]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.951918]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.956936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.961780]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.966791]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.971808]  ? task_prio+0x50/0x50
[  262.975348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.980882]  ? check_preemption_disabled+0x48/0x280
[  262.985932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.990781]  apic_timer_interrupt+0xf/0x20
[  262.995001]  </IRQ>
[  262.997249] RIP: 0010:dump_stack+0x358/0x39d
[  263.001670] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  263.020566] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  263.028268] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  263.035533] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  263.042811] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  263.050072] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  263.057347] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  263.064624]  ? dump_stack+0x34f/0x39d
[  263.068433]  ? dump_stack_print_info.cold.1+0x20/0x20
[  263.073621]  ? mark_held_locks+0x130/0x130
[  263.077851]  ? mark_held_locks+0x130/0x130
[  263.082096]  dump_header+0x27b/0xf72
[  263.085816]  ? pagefault_out_of_memory+0x197/0x197
[  263.090758]  ? __lock_acquire+0x62f/0x4c20
[  263.094991]  ? percpu_ref_get_many+0x240/0x240
[  263.099583]  ? print_usage_bug+0xc0/0xc0
[  263.103675]  ? zap_class+0x640/0x640
[  263.107390]  ? print_usage_bug+0xc0/0xc0
[  263.111462]  ? print_usage_bug+0xc0/0xc0
[  263.115530]  ? zap_class+0x640/0x640
[  263.119250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.124796]  ? find_held_lock+0x36/0x1c0
[  263.128888]  ? mark_held_locks+0xc7/0x130
[  263.133045]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  263.138177]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  263.143288]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  263.147877]  ? trace_hardirqs_on+0xbd/0x310
[  263.152201]  ? kasan_check_read+0x11/0x20
[  263.156366]  ? ___ratelimit+0x3b4/0x672
[  263.160347]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.165469]  ? trace_hardirqs_on+0x310/0x310
[  263.169882]  ? lock_downgrade+0x900/0x900
[  263.174038]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  263.179148]  ? ___ratelimit+0x3b9/0x672
[  263.183148]  ? idr_get_free+0xf70/0xf70
[  263.187128]  ? find_held_lock+0x36/0x1c0
[  263.191207]  oom_kill_process.cold.27+0x10/0x903
[  263.195963]  ? zap_class+0x640/0x640
[  263.199683]  ? check_preemption_disabled+0x48/0x280
[  263.204718]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.209656]  ? kasan_check_read+0x11/0x20
[  263.213813]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.219107]  ? oom_evaluate_task+0x540/0x540
[  263.223522]  ? find_held_lock+0x36/0x1c0
[  263.227597]  ? out_of_memory+0x974/0x1430
[  263.231749]  ? lock_downgrade+0x900/0x900
[  263.235902]  ? check_preemption_disabled+0x48/0x280
[  263.240926]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.245857]  ? kasan_check_read+0x11/0x20
[  263.250003]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.255280]  ? rcu_softirq_qs+0x20/0x20
[  263.259264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.264809]  ? oom_evaluate_task+0x302/0x540
[  263.269241]  out_of_memory+0xa84/0x1430
[  263.273239]  ? oom_killer_disable+0x3a0/0x3a0
[  263.277758]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  263.282696]  ? __ww_mutex_check_waiters+0x160/0x160
[  263.287731]  __alloc_pages_slowpath+0x2354/0x2e10
[  263.292638]  ? warn_alloc+0x120/0x120
[  263.296457]  ? mark_held_locks+0x130/0x130
[  263.300702]  ? find_get_entry+0xaae/0x1120
[  263.304949]  ? filemap_map_pages+0x1a20/0x1a20
[  263.309540]  ? zap_class+0x640/0x640
[  263.313278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.318820]  ? check_preemption_disabled+0x48/0x280
[  263.323842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.329386]  ? should_fail+0x22d/0xd01
[  263.333280]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.338392]  ? zap_class+0x640/0x640
[  263.342144]  ? __lock_is_held+0xb5/0x140
[  263.346221]  ? mark_held_locks+0x130/0x130
[  263.350464]  ? lock_release+0xa00/0xa00
[  263.354442]  ? perf_trace_sched_process_exec+0x860/0x860
[  263.359897]  ? xa_load+0x2ba/0x460
[  263.363453]  ? lock_downgrade+0x900/0x900
[  263.367611]  ? __might_sleep+0x95/0x190
[  263.371601]  __alloc_pages_nodemask+0xa80/0xde0
[  263.376287]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  263.381312]  ? __page_cache_alloc+0x191/0x5c0
[  263.385825]  ? xa_load+0x2e1/0x460
[  263.389374]  ? xa_clear_mark+0x40/0x40
[  263.393265]  ? zap_class+0x640/0x640
[  263.397010]  ? zap_class+0x640/0x640
[  263.400723]  ? zap_class+0x640/0x640
[  263.404442]  ? __do_page_cache_readahead+0x663/0x810
[  263.409568]  ? find_held_lock+0x36/0x1c0
[  263.413639]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  263.419188]  alloc_pages_current+0x173/0x350
[  263.423619]  __page_cache_alloc+0x38c/0x5c0
[  263.427946]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.432891]  ? kasan_check_read+0x11/0x20
[  263.437041]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.442328]  ? generic_perform_write+0x6a0/0x6a0
[  263.447104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.452656]  ? check_preemption_disabled+0x48/0x280
[  263.457701]  filemap_fault+0x1595/0x25f0
[  263.461777]  ? __lock_page_or_retry+0xa00/0xa00
[  263.466455]  ? mark_held_locks+0x130/0x130
[  263.470700]  ? filemap_map_pages+0xd6b/0x1a20
[  263.475200]  ? lock_downgrade+0x900/0x900
[  263.479349]  ? check_preemption_disabled+0x48/0x280
[  263.484375]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.489307]  ? kasan_check_read+0x11/0x20
[  263.493454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.498729]  ? rcu_softirq_qs+0x20/0x20
[  263.502718]  ? filemap_map_pages+0xd92/0x1a20
[  263.507245]  ? find_get_entries_tag+0x1400/0x1400
[  263.512132]  ? debug_object_destroy+0x2b0/0x2b0
[  263.516824]  ? lock_pi_update_atomic+0x150/0x150
[  263.521579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.527150]  ? lock_acquire+0x1ed/0x520
[  263.531159]  ? ext4_filemap_fault+0x7a/0xad
[  263.535493]  ? lock_release+0xa00/0xa00
[  263.539468]  ? perf_trace_sched_process_exec+0x860/0x860
[  263.544924]  ? print_usage_bug+0xc0/0xc0
[  263.549005]  ? print_usage_bug+0xc0/0xc0
[  263.553091]  ? down_read+0x8d/0x120
[  263.556733]  ? ext4_filemap_fault+0x7a/0xad
[  263.561070]  ? __down_interruptible+0x700/0x700
[  263.565765]  ext4_filemap_fault+0x82/0xad
[  263.569920]  __do_fault+0x100/0x6b0
[  263.573553]  ? pmd_devmap_trans_unstable+0x220/0x220
[  263.578658]  ? mark_held_locks+0x130/0x130
[  263.582909]  ? mark_held_locks+0x130/0x130
[  263.587155]  ? debug_smp_processor_id+0x1c/0x20
[  263.591824]  ? perf_trace_lock+0x14d/0x7a0
[  263.596056]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  263.601721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.607293]  __handle_mm_fault+0x3ea0/0x5be0
[  263.611710]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  263.616553]  ? lock_is_held_type+0x210/0x210
[  263.620991]  ? file_remove_privs+0x540/0x540
[  263.625418]  ? zap_class+0x640/0x640
[  263.629139]  ? zap_class+0x640/0x640
[  263.632852]  ? __x64_sys_futex+0x53e/0x6a0
[  263.637105]  ? find_held_lock+0x36/0x1c0
[  263.641183]  ? handle_mm_fault+0x42a/0xc70
[  263.645422]  ? lock_downgrade+0x900/0x900
[  263.649576]  ? check_preemption_disabled+0x48/0x280
[  263.654611]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.659542]  ? kasan_check_read+0x11/0x20
[  263.663720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.668997]  ? rcu_softirq_qs+0x20/0x20
[  263.672972]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.678097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.683644]  ? check_preemption_disabled+0x48/0x280
[  263.688670]  handle_mm_fault+0x54f/0xc70
[  263.692738]  ? __handle_mm_fault+0x5be0/0x5be0
[  263.697345]  ? find_vma+0x34/0x190
[  263.700913]  __do_page_fault+0x5e8/0xe60
[  263.704974]  ? trace_hardirqs_off+0xb8/0x310
[  263.709395]  do_page_fault+0xf2/0x7e0
[  263.713206]  ? vmalloc_sync_all+0x30/0x30
[  263.717361]  ? error_entry+0x70/0xd0
[  263.721094]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.726123]  ? trace_hardirqs_on_caller+0xc0/0x310
[  263.731060]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.736002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.740847]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.745863]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.751319]  ? prepare_exit_to_usermode+0x291/0x3b0
[  263.756340]  ? page_fault+0x8/0x30
[  263.759884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.764733]  ? page_fault+0x8/0x30
[  263.768278]  page_fault+0x1e/0x30
[  263.771731] RIP: 0033:0x40f9c0
[  263.774936] Code: Bad RIP value.
[  263.778297] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  263.783660] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  263.790940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  263.798208] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  263.805498] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  263.812764] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  263.820061] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  263.820095] warn_alloc_show_mem: 1 callbacks suppressed
[  263.820102] Mem-Info:
[  263.827313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.832684] active_anon:50082 inactive_anon:201 isolated_anon:0
[  263.832684]  active_file:11 inactive_file:13 isolated_file:0
[  263.832684]  unevictable:0 dirty:0 writeback:0 unstable:0
[  263.832684]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  263.832684]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  263.832684]  free:13738 free_pcp:300 free_cma:0
[  263.835057] Call Trace:
[  263.844463] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  263.877331]  <IRQ>
[  263.879907] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  263.907416]  dump_stack+0x244/0x39d
[  263.909550] lowmem_reserve[]: 0 2818 6321 6321
[  263.935697]  ? dump_stack_print_info.cold.1+0x20/0x20
[  263.939297] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  263.943887]  warn_alloc.cold.116+0xb7/0x1bd
[  263.949057] lowmem_reserve[]: 0 0 3503 3503
[  263.976688]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.980981] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  263.985302]  ? lock_downgrade+0x900/0x900
[  263.990125] lowmem_reserve[]: 0 0 0 0
[  264.019039]  ? trace_hardirqs_off+0xb8/0x310
[  264.023164] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  264.026963]  ? trace_hardirqs_off+0xb8/0x310
[  264.031349] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  264.044874]  __alloc_pages_slowpath+0x26e8/0x2e10
[  264.049255] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  264.064363]  ? warn_alloc+0x120/0x120
[  264.069169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  264.083747]  ? print_usage_bug+0xc0/0xc0
[  264.087533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  264.096359]  ? warn_alloc+0x120/0x120
[  264.100400] 268 total pagecache pages
[  264.108967]  ? warn_alloc+0x120/0x120
[  264.112764] 0 pages in swap cache
[  264.116551]  ? print_usage_bug+0xc0/0xc0
[  264.120331] Swap cache stats: add 0, delete 0, find 0/0
[  264.123776]  ? kvm_clock_read+0x18/0x30
[  264.127811] Free swap  = 0kB
[  264.133185]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  264.137145] Total swap = 0kB
[  264.140176]  ? print_usage_bug+0xc0/0xc0
[  264.145165] 1965979 pages RAM
[  264.148183]  ? __lock_acquire+0x62f/0x4c20
[  264.152219] 0 pages HighMem/MovableOnly
[  264.155327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.159535] 342853 pages reserved
[  264.163509]  ? should_fail+0x22d/0xd01
[  264.169016] 0 pages cma reserved
[  264.172462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.176399] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.179685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.185061] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.191437]  ? __lock_acquire+0x62f/0x4c20
[  264.196529] syz-fuzzer cpuset=/ mems_allowed=0
[  264.206750]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.220622]  ? __lock_acquire+0x62f/0x4c20
[  264.224859]  ? should_fail+0x22d/0xd01
[  264.228746]  ? rcu_irq_exit+0x1a2/0x390
[  264.232735]  ? mark_held_locks+0x130/0x130
[  264.236979]  ? mark_held_locks+0x130/0x130
[  264.241223]  ? mark_held_locks+0xc7/0x130
[  264.245373]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  264.250390]  ? zap_class+0x640/0x640
[  264.254115]  ? print_usage_bug+0xc0/0xc0
[  264.258188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.263734]  ? check_preemption_disabled+0x48/0x280
[  264.268759]  ? __lock_is_held+0xb5/0x140
[  264.272831]  __alloc_pages_nodemask+0xa80/0xde0
[  264.277504]  ? zap_class+0x640/0x640
[  264.281229]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  264.286259]  ? find_held_lock+0x36/0x1c0
[  264.290338]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.295024]  ? lock_downgrade+0x900/0x900
[  264.299184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.304733]  cache_grow_begin+0xa5/0x8c0
[  264.308795]  ? do_raw_spin_unlock+0xa7/0x330
[  264.313217]  fallback_alloc+0x204/0x2e0
[  264.317339]  ____cache_alloc_node+0x1c7/0x1e0
[  264.321852]  kmem_cache_alloc_node+0xe3/0x730
[  264.326354]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.330609]  __alloc_skb+0x119/0x770
[  264.334324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.339612]  ? netdev_alloc_frag+0x1f0/0x1f0
[  264.344024]  ? lock_downgrade+0x900/0x900
[  264.348184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.353726]  ? refcount_sub_and_test_checked+0x203/0x310
[  264.359184]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.364638]  ? addrconf_rs_timer+0x690/0x690
[  264.369066]  ndisc_alloc_skb+0x144/0x340
[  264.373176]  ndisc_send_rs+0x331/0x6e0
[  264.377072]  addrconf_rs_timer+0x314/0x690
[  264.381339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.385591]  call_timer_fn+0x272/0x920
[  264.389486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.393725]  ? process_timeout+0x40/0x40
[  264.397815]  ? __run_timers+0x7da/0xc70
[  264.401807]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.406306]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.410817]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.415056]  ? lockdep_hardirqs_on+0x296/0x5b0
[  264.419667]  ? trace_hardirqs_on+0xbd/0x310
[  264.423991]  ? kasan_check_read+0x11/0x20
[  264.428140]  ? __run_timers+0x7da/0xc70
[  264.432134]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.437243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.441484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.445736]  __run_timers+0x7e5/0xc70
[  264.450017]  ? timer_fixup_init+0x70/0x70
[  264.454169]  ? kasan_check_read+0x11/0x20
[  264.458318]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.463601]  ? rcu_softirq_qs+0x20/0x20
[  264.467581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.473128]  ? check_preemption_disabled+0x48/0x280
[  264.478159]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  264.482928]  ? retint_kernel+0x2d/0x2d
[  264.486818]  ? trace_hardirqs_on_caller+0xc0/0x310
[  264.491746]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  264.496519]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.501979]  ? zap_class+0x640/0x640
[  264.505703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.511246]  ? check_preemption_disabled+0x48/0x280
[  264.516284]  ? __lock_is_held+0xb5/0x140
[  264.520352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.525890]  ? check_preemption_disabled+0x48/0x280
[  264.530913]  run_timer_softirq+0x52/0xb0
[  264.534980]  ? rcu_read_lock_sched_held+0x14f/0x180
[  264.540000]  __do_softirq+0x308/0xb7e
[  264.543803]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  264.548314]  ? lock_downgrade+0x900/0x900
[  264.552466]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  264.557579]  ? pvclock_read_flags+0x160/0x160
[  264.562091]  ? lapic_next_event+0x5a/0x90
[  264.566304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.571854]  ? kvm_clock_read+0x18/0x30
[  264.575844]  ? kvm_sched_clock_read+0x9/0x20
[  264.580254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.585801]  ? check_preemption_disabled+0x48/0x280
[  264.590833]  irq_exit+0x17f/0x1c0
[  264.594294]  smp_apic_timer_interrupt+0x1cb/0x760
[  264.599143]  ? smp_reschedule_interrupt+0x109/0x650
[  264.604166]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.610051]  ? interrupt_entry+0xb5/0xc0
[  264.614152]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.619179]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.624201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.629047]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.634073]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.639113]  ? task_prio+0x50/0x50
[  264.642658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.648201]  ? check_preemption_disabled+0x48/0x280
[  264.653225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.658106]  apic_timer_interrupt+0xf/0x20
[  264.662337]  </IRQ>
[  264.664600] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  264.669533] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  264.688436] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  264.696151] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  264.703421] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  264.710687] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  264.717954] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  264.725222] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  264.732545]  skb_clone+0x1bb/0x500
[  264.736096]  ? finish_task_switch+0x1b4/0x910
[  264.740614]  ? skb_split+0x11e0/0x11e0
[  264.744526]  ? preempt_notifier_register+0x200/0x200
[  264.749633]  ? __switch_to_asm+0x34/0x70
[  264.753697]  ? __switch_to_asm+0x34/0x70
[  264.757774]  ? __switch_to_asm+0x40/0x70
[  264.761833]  ? __switch_to_asm+0x34/0x70
[  264.765890]  ? __switch_to_asm+0x40/0x70
[  264.769949]  ? __switch_to_asm+0x34/0x70
[  264.774009]  ? __switch_to_asm+0x40/0x70
[  264.778069]  ? __switch_to_asm+0x34/0x70
[  264.782176]  ? __switch_to_asm+0x34/0x70
[  264.786238]  ? __switch_to_asm+0x40/0x70
[  264.790299]  ? __switch_to_asm+0x34/0x70
[  264.794370]  bpf_clone_redirect+0xb9/0x490
[  264.798628]  ? __schedule+0x8d7/0x21d0
[  264.802522]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  264.807570]  ? __sched_text_start+0x8/0x8
[  264.811745]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  264.816347]  ? retint_kernel+0x2d/0x2d
[  264.820253]  ? trace_hardirqs_on_caller+0xc0/0x310
[  264.825223]  ? find_held_lock+0x36/0x1c0
[  264.829297]  ? lock_acquire+0x1ed/0x520
[  264.833275]  ? bpf_test_run+0x3cb/0x780
[  264.837258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.842799]  ? check_preemption_disabled+0x48/0x280
[  264.847823]  ? kasan_check_read+0x11/0x20
[  264.851985]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.857262]  ? rcu_softirq_qs+0x20/0x20
[  264.861246]  ? preempt_schedule+0x4d/0x60
[  264.865396]  ? ___preempt_schedule+0x16/0x18
[  264.869819]  ? bpf_test_run+0x25d/0x780
[  264.873807]  ? netlink_diag_dump+0x2a0/0x2a0
[  264.878221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.883762]  ? bpf_test_init.isra.10+0x70/0x100
[  264.888438]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  264.893208]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  264.898055]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  264.903607]  ? fput+0x130/0x1a0
[  264.906893]  ? __bpf_prog_get+0x9b/0x290
[  264.910976]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  264.915817]  ? bpf_prog_test_run+0x130/0x1a0
[  264.920233]  ? __x64_sys_bpf+0x3d8/0x520
[  264.924298]  ? bpf_prog_get+0x20/0x20
[  264.928128]  ? do_syscall_64+0x1b9/0x820
[  264.932194]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  264.937566]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.942499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.947345]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.952363]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  264.957385]  ? prepare_exit_to_usermode+0x291/0x3b0
[  264.962426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.967279]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  264.972668] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  264.972770] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.979621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.979626] Call Trace:
[  264.979635]  <IRQ>
[  264.979654]  dump_stack+0x244/0x39d
[  264.979673]  ? dump_stack_print_info.cold.1+0x20/0x20
[  264.986244] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.995516]  warn_alloc.cold.116+0xb7/0x1bd
[  264.998068] syz-executor3 cpuset=syz3 mems_allowed=0
[  265.000230]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.033733]  ? lock_downgrade+0x900/0x900
[  265.037910]  ? trace_hardirqs_off+0xb8/0x310
[  265.042345]  ? trace_hardirqs_off+0xb8/0x310
[  265.046768]  __alloc_pages_slowpath+0x26e8/0x2e10
[  265.051647]  ? warn_alloc+0x120/0x120
[  265.055459]  ? print_usage_bug+0xc0/0xc0
[  265.059530]  ? warn_alloc+0x120/0x120
[  265.063342]  ? warn_alloc+0x120/0x120
[  265.067150]  ? print_usage_bug+0xc0/0xc0
[  265.071221]  ? kvm_clock_read+0x18/0x30
[  265.075216]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  265.080237]  ? print_usage_bug+0xc0/0xc0
[  265.084307]  ? __lock_acquire+0x62f/0x4c20
[  265.088548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.094105]  ? should_fail+0x22d/0xd01
[  265.098010]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.103292]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.108399]  ? __lock_acquire+0x62f/0x4c20
[  265.112654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.117774]  ? __lock_acquire+0x62f/0x4c20
[  265.122039]  ? should_fail+0x22d/0xd01
[  265.125925]  ? rcu_irq_exit+0x1a2/0x390
[  265.129916]  ? mark_held_locks+0x130/0x130
[  265.134158]  ? mark_held_locks+0x130/0x130
[  265.138404]  ? mark_held_locks+0xc7/0x130
[  265.142569]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  265.147602]  ? zap_class+0x640/0x640
[  265.151319]  ? print_usage_bug+0xc0/0xc0
[  265.155387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.160933]  ? check_preemption_disabled+0x48/0x280
[  265.165964]  ? __lock_is_held+0xb5/0x140
[  265.170035]  __alloc_pages_nodemask+0xa80/0xde0
[  265.174710]  ? zap_class+0x640/0x640
[  265.178442]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  265.183496]  ? find_held_lock+0x36/0x1c0
[  265.187574]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.192252]  ? lock_downgrade+0x900/0x900
[  265.196412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.201968]  cache_grow_begin+0xa5/0x8c0
[  265.206031]  ? do_raw_spin_unlock+0xa7/0x330
[  265.210452]  fallback_alloc+0x204/0x2e0
[  265.214465]  ____cache_alloc_node+0x1c7/0x1e0
[  265.218987]  kmem_cache_alloc_node+0xe3/0x730
[  265.223485]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.227735]  __alloc_skb+0x119/0x770
[  265.231450]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.236737]  ? netdev_alloc_frag+0x1f0/0x1f0
[  265.241154]  ? lock_downgrade+0x900/0x900
[  265.245313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.250859]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.256318]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.261774]  ? addrconf_rs_timer+0x690/0x690
[  265.266206]  ndisc_alloc_skb+0x144/0x340
[  265.270278]  ndisc_send_rs+0x331/0x6e0
[  265.274179]  addrconf_rs_timer+0x314/0x690
[  265.278425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.282673]  call_timer_fn+0x272/0x920
[  265.286569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.290818]  ? process_timeout+0x40/0x40
[  265.294897]  ? mark_held_locks+0xc7/0x130
[  265.299049]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.303555]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.308055]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.312334]  ? lockdep_hardirqs_on+0x296/0x5b0
[  265.316920]  ? trace_hardirqs_on+0xbd/0x310
[  265.321250]  ? kasan_check_read+0x11/0x20
[  265.325408]  ? __run_timers+0x7da/0xc70
[  265.329395]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.334521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.338767]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.343001]  __run_timers+0x7e5/0xc70
[  265.346815]  ? timer_fixup_init+0x70/0x70
[  265.350967]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  265.355988]  ? zap_class+0x640/0x640
[  265.359710]  ? print_usage_bug+0xc0/0xc0
[  265.363780]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.368983]  ? find_held_lock+0x36/0x1c0
[  265.373072]  ? zap_class+0x640/0x640
[  265.376816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.382357]  ? check_preemption_disabled+0x48/0x280
[  265.387387]  ? __lock_is_held+0xb5/0x140
[  265.391452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.396993]  ? check_preemption_disabled+0x48/0x280
[  265.402028]  run_timer_softirq+0x52/0xb0
[  265.406105]  ? rcu_read_lock_sched_held+0x14f/0x180
[  265.411133]  __do_softirq+0x308/0xb7e
[  265.414956]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  265.419456]  ? lock_downgrade+0x900/0x900
[  265.423608]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  265.428726]  ? pvclock_read_flags+0x160/0x160
[  265.433226]  ? lapic_next_event+0x5a/0x90
[  265.437384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.442941]  ? kvm_clock_read+0x18/0x30
[  265.446917]  ? kvm_sched_clock_read+0x9/0x20
[  265.452490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.458031]  ? check_preemption_disabled+0x48/0x280
[  265.463056]  irq_exit+0x17f/0x1c0
[  265.466543]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.471388]  ? smp_reschedule_interrupt+0x109/0x650
[  265.476409]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.482297]  ? interrupt_entry+0xb5/0xc0
[  265.486362]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.491378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.496415]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.501284]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.506300]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.511334]  ? task_prio+0x50/0x50
[  265.514877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.520420]  ? check_preemption_disabled+0x48/0x280
[  265.525462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.530318]  apic_timer_interrupt+0xf/0x20
[  265.534557]  </IRQ>
[  265.536799] RIP: 0010:dump_stack+0x358/0x39d
[  265.541212] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  265.560133] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  265.567856] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  265.575123] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  265.582390] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  265.589656] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  265.596921] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  265.604216]  ? dump_stack+0x34f/0x39d
[  265.608034]  ? dump_stack_print_info.cold.1+0x20/0x20
[  265.613230]  ? mark_held_locks+0x130/0x130
[  265.617470]  ? mark_held_locks+0x130/0x130
[  265.621725]  dump_header+0x27b/0xf72
[  265.625458]  ? pagefault_out_of_memory+0x197/0x197
[  265.630396]  ? __lock_acquire+0x62f/0x4c20
[  265.634637]  ? percpu_ref_get_many+0x240/0x240
[  265.639224]  ? print_usage_bug+0xc0/0xc0
[  265.643292]  ? zap_class+0x640/0x640
[  265.647012]  ? print_usage_bug+0xc0/0xc0
[  265.651084]  ? print_usage_bug+0xc0/0xc0
[  265.655154]  ? zap_class+0x640/0x640
[  265.658885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.664462]  ? find_held_lock+0x36/0x1c0
[  265.668549]  ? mark_held_locks+0xc7/0x130
[  265.672705]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  265.677821]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  265.682930]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  265.687517]  ? trace_hardirqs_on+0xbd/0x310
[  265.691843]  ? kasan_check_read+0x11/0x20
[  265.695998]  ? ___ratelimit+0x3b4/0x672
[  265.699977]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.705100]  ? trace_hardirqs_on+0x310/0x310
[  265.709518]  ? lock_downgrade+0x900/0x900
[  265.713679]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.718782]  ? ___ratelimit+0x3b9/0x672
[  265.722761]  ? idr_get_free+0xf70/0xf70
[  265.726743]  ? find_held_lock+0x36/0x1c0
[  265.730818]  oom_kill_process.cold.27+0x10/0x903
[  265.735578]  ? zap_class+0x640/0x640
[  265.739296]  ? check_preemption_disabled+0x48/0x280
[  265.744318]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.749256]  ? kasan_check_read+0x11/0x20
[  265.753408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.758789]  ? oom_evaluate_task+0x540/0x540
[  265.763204]  ? find_held_lock+0x36/0x1c0
[  265.767278]  ? out_of_memory+0x974/0x1430
[  265.771428]  ? lock_downgrade+0x900/0x900
[  265.775581]  ? check_preemption_disabled+0x48/0x280
[  265.780616]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.785548]  ? kasan_check_read+0x11/0x20
[  265.789697]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.794984]  ? rcu_softirq_qs+0x20/0x20
[  265.798966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.804506]  ? oom_evaluate_task+0x302/0x540
[  265.808919]  out_of_memory+0xa84/0x1430
[  265.812906]  ? oom_killer_disable+0x3a0/0x3a0
[  265.817408]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  265.822348]  ? __ww_mutex_check_waiters+0x160/0x160
[  265.827377]  __alloc_pages_slowpath+0x2354/0x2e10
[  265.832253]  ? warn_alloc+0x120/0x120
[  265.836060]  ? mark_held_locks+0x130/0x130
[  265.840327]  ? find_get_entry+0xaae/0x1120
[  265.844591]  ? filemap_map_pages+0x1a20/0x1a20
[  265.849181]  ? zap_class+0x640/0x640
[  265.852906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.858465]  ? check_preemption_disabled+0x48/0x280
[  265.863482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.869040]  ? should_fail+0x22d/0xd01
[  265.872941]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.878050]  ? zap_class+0x640/0x640
[  265.881816]  ? __lock_is_held+0xb5/0x140
[  265.885886]  ? mark_held_locks+0x130/0x130
[  265.890126]  ? lock_release+0xa00/0xa00
[  265.894120]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.899578]  ? xa_load+0x2ba/0x460
[  265.903128]  ? lock_downgrade+0x900/0x900
[  265.907287]  ? __might_sleep+0x95/0x190
[  265.911283]  __alloc_pages_nodemask+0xa80/0xde0
[  265.915969]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  265.921013]  ? __page_cache_alloc+0x191/0x5c0
[  265.925509]  ? xa_load+0x2e1/0x460
[  265.929069]  ? xa_clear_mark+0x40/0x40
[  265.932993]  ? zap_class+0x640/0x640
[  265.936714]  ? zap_class+0x640/0x640
[  265.940431]  ? zap_class+0x640/0x640
[  265.944149]  ? __do_page_cache_readahead+0x663/0x810
[  265.949263]  ? find_held_lock+0x36/0x1c0
[  265.953337]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  265.958887]  alloc_pages_current+0x173/0x350
[  265.963397]  __page_cache_alloc+0x38c/0x5c0
[  265.967724]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.972658]  ? kasan_check_read+0x11/0x20
[  265.976818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.982139]  ? generic_perform_write+0x6a0/0x6a0
[  265.986907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.992452]  ? check_preemption_disabled+0x48/0x280
[  265.997484]  filemap_fault+0x1595/0x25f0
[  266.001561]  ? __lock_page_or_retry+0xa00/0xa00
[  266.006240]  ? mark_held_locks+0x130/0x130
[  266.010487]  ? filemap_map_pages+0xd6b/0x1a20
[  266.014988]  ? lock_downgrade+0x900/0x900
[  266.019139]  ? check_preemption_disabled+0x48/0x280
[  266.024161]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  266.029106]  ? kasan_check_read+0x11/0x20
[  266.033272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.038564]  ? rcu_softirq_qs+0x20/0x20
[  266.042566]  ? filemap_map_pages+0xd92/0x1a20
[  266.047084]  ? find_get_entries_tag+0x1400/0x1400
[  266.051942]  ? debug_object_destroy+0x2b0/0x2b0
[  266.056637]  ? lock_pi_update_atomic+0x150/0x150
[  266.061394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.066946]  ? lock_acquire+0x1ed/0x520
[  266.070920]  ? ext4_filemap_fault+0x7a/0xad
[  266.075251]  ? lock_release+0xa00/0xa00
[  266.079231]  ? perf_trace_sched_process_exec+0x860/0x860
[  266.084683]  ? print_usage_bug+0xc0/0xc0
[  266.088754]  ? print_usage_bug+0xc0/0xc0
[  266.092834]  ? down_read+0x8d/0x120
[  266.096475]  ? ext4_filemap_fault+0x7a/0xad
[  266.100815]  ? __down_interruptible+0x700/0x700
[  266.105492]  ext4_filemap_fault+0x82/0xad
[  266.109645]  __do_fault+0x100/0x6b0
[  266.113277]  ? pmd_devmap_trans_unstable+0x220/0x220
[  266.118392]  ? mark_held_locks+0x130/0x130
[  266.122631]  ? mark_held_locks+0x130/0x130
[  266.126902]  ? debug_smp_processor_id+0x1c/0x20
[  266.131571]  ? perf_trace_lock+0x14d/0x7a0
[  266.135810]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  266.141444]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.146984]  __handle_mm_fault+0x3ea0/0x5be0
[  266.151404]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  266.156251]  ? lock_is_held_type+0x210/0x210
[  266.160668]  ? file_remove_privs+0x540/0x540
[  266.165121]  ? zap_class+0x640/0x640
[  266.168854]  ? zap_class+0x640/0x640
[  266.172572]  ? __x64_sys_futex+0x53e/0x6a0
[  266.176811]  ? find_held_lock+0x36/0x1c0
[  266.180884]  ? handle_mm_fault+0x42a/0xc70
[  266.185127]  ? lock_downgrade+0x900/0x900
[  266.189282]  ? check_preemption_disabled+0x48/0x280
[  266.194304]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  266.199238]  ? kasan_check_read+0x11/0x20
[  266.203387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.208663]  ? rcu_softirq_qs+0x20/0x20
[  266.212641]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.217747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.223289]  ? check_preemption_disabled+0x48/0x280
[  266.228331]  handle_mm_fault+0x54f/0xc70
[  266.232403]  ? __handle_mm_fault+0x5be0/0x5be0
[  266.236995]  ? find_vma+0x34/0x190
[  266.240557]  __do_page_fault+0x5e8/0xe60
[  266.244619]  ? trace_hardirqs_off+0xb8/0x310
[  266.249039]  do_page_fault+0xf2/0x7e0
[  266.252861]  ? vmalloc_sync_all+0x30/0x30
[  266.257012]  ? error_entry+0x70/0xd0
[  266.260729]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.265748]  ? trace_hardirqs_on_caller+0xc0/0x310
[  266.270684]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.275614]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.280461]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.285480]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.290939]  ? prepare_exit_to_usermode+0x291/0x3b0
[  266.295959]  ? page_fault+0x8/0x30
[  266.299507]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.304358]  ? page_fault+0x8/0x30
[  266.307901]  page_fault+0x1e/0x30
[  266.311366] RIP: 0033:0x40f9c0
[  266.314573] Code: Bad RIP value.
[  266.318458] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  266.323854] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  266.331123] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  266.338390] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  266.345657] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  266.352938] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  266.360237] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  266.360243] warn_alloc_show_mem: 1 callbacks suppressed
[  266.360250] Mem-Info:
[  266.367440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.372810] active_anon:50082 inactive_anon:201 isolated_anon:0
[  266.372810]  active_file:11 inactive_file:13 isolated_file:0
[  266.372810]  unevictable:0 dirty:0 writeback:0 unstable:0
[  266.372810]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  266.372810]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  266.372810]  free:13738 free_pcp:300 free_cma:0
[  266.375185] Call Trace:
[  266.384568] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  266.417417]  <IRQ>
[  266.419993] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  266.447496]  dump_stack+0x244/0x39d
[  266.449764] lowmem_reserve[]: 0 2818 6321 6321
[  266.475880]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.479478] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  266.484069]  warn_alloc.cold.116+0xb7/0x1bd
[  266.489224] lowmem_reserve[]: 0 0 3503 3503
[  266.516806]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.521109] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  266.525431]  ? lock_downgrade+0x900/0x900
[  266.530247] lowmem_reserve[]: 0 0 0 0
[  266.559171]  ? trace_hardirqs_off+0xb8/0x310
[  266.563293] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  266.567098]  ? trace_hardirqs_off+0xb8/0x310
[  266.571503] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  266.585049]  __alloc_pages_slowpath+0x26e8/0x2e10
[  266.589427] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  266.604528]  ? warn_alloc+0x120/0x120
[  266.609333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  266.623900]  ? print_usage_bug+0xc0/0xc0
[  266.627701] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  266.636526]  ? warn_alloc+0x120/0x120
[  266.640562] 268 total pagecache pages
[  266.649134]  ? warn_alloc+0x120/0x120
[  266.652919] 0 pages in swap cache
[  266.656708]  ? print_usage_bug+0xc0/0xc0
[  266.660486] Swap cache stats: add 0, delete 0, find 0/0
[  266.663936]  ? kvm_clock_read+0x18/0x30
[  266.667970] Free swap  = 0kB
[  266.673330]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  266.677280] Total swap = 0kB
[  266.680293]  ? print_usage_bug+0xc0/0xc0
[  266.685287] 1965979 pages RAM
[  266.688325]  ? __lock_acquire+0x62f/0x4c20
[  266.692366] 0 pages HighMem/MovableOnly
[  266.695481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.699694] 342853 pages reserved
[  266.703669]  ? should_fail+0x22d/0xd01
[  266.709177] 0 pages cma reserved
[  266.712650]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.716609] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.719875]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.725253] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.731634]  ? __lock_acquire+0x62f/0x4c20
[  266.736710] syz-fuzzer cpuset=/ mems_allowed=0
[  266.746935]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.760816]  ? __lock_acquire+0x62f/0x4c20
[  266.765070]  ? should_fail+0x22d/0xd01
[  266.768981]  ? rcu_irq_exit+0x1a2/0x390
[  266.772965]  ? mark_held_locks+0x130/0x130
[  266.777210]  ? mark_held_locks+0x130/0x130
[  266.781456]  ? mark_held_locks+0xc7/0x130
[  266.785622]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  266.790643]  ? zap_class+0x640/0x640
[  266.794364]  ? print_usage_bug+0xc0/0xc0
[  266.798431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.803977]  ? check_preemption_disabled+0x48/0x280
[  266.809007]  ? __lock_is_held+0xb5/0x140
[  266.813098]  __alloc_pages_nodemask+0xa80/0xde0
[  266.817773]  ? zap_class+0x640/0x640
[  266.821492]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  266.826526]  ? find_held_lock+0x36/0x1c0
[  266.830621]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.835310]  ? lock_downgrade+0x900/0x900
[  266.839475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.845021]  cache_grow_begin+0xa5/0x8c0
[  266.849092]  ? do_raw_spin_unlock+0xa7/0x330
[  266.853510]  fallback_alloc+0x204/0x2e0
[  266.857497]  ____cache_alloc_node+0x1c7/0x1e0
[  266.862005]  kmem_cache_alloc_node+0xe3/0x730
[  266.866508]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.870755]  __alloc_skb+0x119/0x770
[  266.874474]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.879774]  ? netdev_alloc_frag+0x1f0/0x1f0
[  266.884185]  ? lock_downgrade+0x900/0x900
[  266.888348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.893891]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.899351]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.904820]  ? addrconf_rs_timer+0x690/0x690
[  266.909243]  ndisc_alloc_skb+0x144/0x340
[  266.913312]  ndisc_send_rs+0x331/0x6e0
[  266.917209]  addrconf_rs_timer+0x314/0x690
[  266.921450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.925711]  call_timer_fn+0x272/0x920
[  266.929618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.933869]  ? process_timeout+0x40/0x40
[  266.937936]  ? __run_timers+0x7da/0xc70
[  266.941911]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.946429]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.950926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.955183]  ? lockdep_hardirqs_on+0x296/0x5b0
[  266.959769]  ? trace_hardirqs_on+0xbd/0x310
[  266.964115]  ? kasan_check_read+0x11/0x20
[  266.968267]  ? __run_timers+0x7da/0xc70
[  266.972256]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.977379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.981626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.985870]  __run_timers+0x7e5/0xc70
[  266.989686]  ? timer_fixup_init+0x70/0x70
[  266.993846]  ? kasan_check_read+0x11/0x20
[  266.998001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.003292]  ? rcu_softirq_qs+0x20/0x20
[  267.007296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.012849]  ? check_preemption_disabled+0x48/0x280
[  267.017873]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.022636]  ? retint_kernel+0x2d/0x2d
[  267.026527]  ? trace_hardirqs_on_caller+0xc0/0x310
[  267.031460]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.036224]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.041678]  ? zap_class+0x640/0x640
[  267.045399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.050939]  ? check_preemption_disabled+0x48/0x280
[  267.055982]  ? __lock_is_held+0xb5/0x140
[  267.060090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.065649]  ? check_preemption_disabled+0x48/0x280
[  267.070675]  run_timer_softirq+0x52/0xb0
[  267.074738]  ? rcu_read_lock_sched_held+0x14f/0x180
[  267.079756]  __do_softirq+0x308/0xb7e
[  267.083562]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.088084]  ? lock_downgrade+0x900/0x900
[  267.092256]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  267.097388]  ? pvclock_read_flags+0x160/0x160
[  267.101912]  ? lapic_next_event+0x5a/0x90
[  267.106068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.111626]  ? kvm_clock_read+0x18/0x30
[  267.115607]  ? kvm_sched_clock_read+0x9/0x20
[  267.120033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.125601]  ? check_preemption_disabled+0x48/0x280
[  267.130645]  irq_exit+0x17f/0x1c0
[  267.134109]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.138952]  ? smp_reschedule_interrupt+0x109/0x650
[  267.143969]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.149858]  ? interrupt_entry+0xb5/0xc0
[  267.153937]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.158953]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.163975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.168822]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.173838]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.178854]  ? task_prio+0x50/0x50
[  267.182401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.187942]  ? check_preemption_disabled+0x48/0x280
[  267.192964]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.197832]  apic_timer_interrupt+0xf/0x20
[  267.202085]  </IRQ>
[  267.204339] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  267.209289] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  267.228190] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  267.235898] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  267.243166] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  267.250453] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  267.257733] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  267.265000] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  267.272317]  skb_clone+0x1bb/0x500
[  267.275861]  ? finish_task_switch+0x1b4/0x910
[  267.280358]  ? skb_split+0x11e0/0x11e0
[  267.284252]  ? preempt_notifier_register+0x200/0x200
[  267.289390]  ? __switch_to_asm+0x34/0x70
[  267.293454]  ? __switch_to_asm+0x34/0x70
[  267.297513]  ? __switch_to_asm+0x40/0x70
[  267.301610]  ? __switch_to_asm+0x34/0x70
[  267.305669]  ? __switch_to_asm+0x40/0x70
[  267.309727]  ? __switch_to_asm+0x34/0x70
[  267.313783]  ? __switch_to_asm+0x40/0x70
[  267.317842]  ? __switch_to_asm+0x34/0x70
[  267.321901]  ? __switch_to_asm+0x34/0x70
[  267.325960]  ? __switch_to_asm+0x40/0x70
[  267.330025]  ? __switch_to_asm+0x34/0x70
[  267.334114]  bpf_clone_redirect+0xb9/0x490
[  267.338370]  ? __schedule+0x8d7/0x21d0
[  267.342265]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  267.347290]  ? __sched_text_start+0x8/0x8
[  267.351444]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  267.356026]  ? retint_kernel+0x2d/0x2d
[  267.359923]  ? trace_hardirqs_on_caller+0xc0/0x310
[  267.364859]  ? find_held_lock+0x36/0x1c0
[  267.368937]  ? lock_acquire+0x1ed/0x520
[  267.372913]  ? bpf_test_run+0x3cb/0x780
[  267.376889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.382461]  ? check_preemption_disabled+0x48/0x280
[  267.387515]  ? kasan_check_read+0x11/0x20
[  267.391667]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.396944]  ? rcu_softirq_qs+0x20/0x20
[  267.400923]  ? preempt_schedule+0x4d/0x60
[  267.405084]  ? ___preempt_schedule+0x16/0x18
[  267.409506]  ? bpf_test_run+0x25d/0x780
[  267.413494]  ? netlink_diag_dump+0x2a0/0x2a0
[  267.417923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.423474]  ? bpf_test_init.isra.10+0x70/0x100
[  267.428152]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  267.432936]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  267.437774]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.443314]  ? fput+0x130/0x1a0
[  267.446605]  ? __bpf_prog_get+0x9b/0x290
[  267.450669]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  267.455528]  ? bpf_prog_test_run+0x130/0x1a0
[  267.459938]  ? __x64_sys_bpf+0x3d8/0x520
[  267.463999]  ? bpf_prog_get+0x20/0x20
[  267.467820]  ? do_syscall_64+0x1b9/0x820
[  267.471881]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  267.477248]  ? syscall_return_slowpath+0x5e0/0x5e0
[  267.482175]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.487023]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.492063]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  267.497126]  ? prepare_exit_to_usermode+0x291/0x3b0
[  267.502181]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.507047]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  267.512440] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  267.512548] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  267.519386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  267.519391] Call Trace:
[  267.519399]  <IRQ>
[  267.519417]  dump_stack+0x244/0x39d
[  267.519435]  ? dump_stack_print_info.cold.1+0x20/0x20
[  267.526023] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  267.535267]  warn_alloc.cold.116+0xb7/0x1bd
[  267.537822] syz-executor3 cpuset=syz3 mems_allowed=0
[  267.539996]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  267.573516]  ? lock_downgrade+0x900/0x900
[  267.577673]  ? trace_hardirqs_off+0xb8/0x310
[  267.582100]  ? trace_hardirqs_off+0xb8/0x310
[  267.586522]  __alloc_pages_slowpath+0x26e8/0x2e10
[  267.591412]  ? warn_alloc+0x120/0x120
[  267.595219]  ? print_usage_bug+0xc0/0xc0
[  267.599281]  ? warn_alloc+0x120/0x120
[  267.603096]  ? warn_alloc+0x120/0x120
[  267.606910]  ? print_usage_bug+0xc0/0xc0
[  267.610970]  ? kvm_clock_read+0x18/0x30
[  267.614948]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  267.619961]  ? print_usage_bug+0xc0/0xc0
[  267.624024]  ? __lock_acquire+0x62f/0x4c20
[  267.628264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.633821]  ? should_fail+0x22d/0xd01
[  267.637710]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.642989]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.648122]  ? __lock_acquire+0x62f/0x4c20
[  267.652363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.657510]  ? __lock_acquire+0x62f/0x4c20
[  267.661756]  ? should_fail+0x22d/0xd01
[  267.665639]  ? rcu_irq_exit+0x1a2/0x390
[  267.669626]  ? mark_held_locks+0x130/0x130
[  267.673866]  ? mark_held_locks+0x130/0x130
[  267.678115]  ? mark_held_locks+0xc7/0x130
[  267.682277]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  267.687303]  ? zap_class+0x640/0x640
[  267.691049]  ? print_usage_bug+0xc0/0xc0
[  267.695125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.700664]  ? check_preemption_disabled+0x48/0x280
[  267.705706]  ? __lock_is_held+0xb5/0x140
[  267.709775]  __alloc_pages_nodemask+0xa80/0xde0
[  267.714447]  ? zap_class+0x640/0x640
[  267.718166]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  267.723195]  ? find_held_lock+0x36/0x1c0
[  267.727271]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.731956]  ? lock_downgrade+0x900/0x900
[  267.736132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.741675]  cache_grow_begin+0xa5/0x8c0
[  267.745738]  ? do_raw_spin_unlock+0xa7/0x330
[  267.750159]  fallback_alloc+0x204/0x2e0
[  267.754142]  ____cache_alloc_node+0x1c7/0x1e0
[  267.758646]  kmem_cache_alloc_node+0xe3/0x730
[  267.763144]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.767392]  __alloc_skb+0x119/0x770
[  267.771117]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.776398]  ? netdev_alloc_frag+0x1f0/0x1f0
[  267.780808]  ? lock_downgrade+0x900/0x900
[  267.784966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.790518]  ? refcount_sub_and_test_checked+0x203/0x310
[  267.796006]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  267.801460]  ? addrconf_rs_timer+0x690/0x690
[  267.805914]  ndisc_alloc_skb+0x144/0x340
[  267.810001]  ndisc_send_rs+0x331/0x6e0
[  267.813894]  addrconf_rs_timer+0x314/0x690
[  267.818135]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.822383]  call_timer_fn+0x272/0x920
[  267.826269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.830517]  ? process_timeout+0x40/0x40
[  267.834587]  ? mark_held_locks+0xc7/0x130
[  267.838750]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.843261]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.847757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.851988]  ? lockdep_hardirqs_on+0x296/0x5b0
[  267.856596]  ? trace_hardirqs_on+0xbd/0x310
[  267.860946]  ? kasan_check_read+0x11/0x20
[  267.865099]  ? __run_timers+0x7da/0xc70
[  267.869073]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.874190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.878463]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.882708]  __run_timers+0x7e5/0xc70
[  267.886541]  ? timer_fixup_init+0x70/0x70
[  267.890687]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.895717]  ? zap_class+0x640/0x640
[  267.899437]  ? print_usage_bug+0xc0/0xc0
[  267.903498]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  267.908706]  ? find_held_lock+0x36/0x1c0
[  267.912767]  ? zap_class+0x640/0x640
[  267.916480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.922017]  ? check_preemption_disabled+0x48/0x280
[  267.927037]  ? __lock_is_held+0xb5/0x140
[  267.931106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.936644]  ? check_preemption_disabled+0x48/0x280
[  267.941668]  run_timer_softirq+0x52/0xb0
[  267.945728]  ? rcu_read_lock_sched_held+0x14f/0x180
[  267.950747]  __do_softirq+0x308/0xb7e
[  267.954549]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.959041]  ? lock_downgrade+0x900/0x900
[  267.963196]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  267.968320]  ? pvclock_read_flags+0x160/0x160
[  267.972822]  ? lapic_next_event+0x5a/0x90
[  267.976973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.982519]  ? kvm_clock_read+0x18/0x30
[  267.986504]  ? kvm_sched_clock_read+0x9/0x20
[  267.990927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.996463]  ? check_preemption_disabled+0x48/0x280
[  268.001489]  irq_exit+0x17f/0x1c0
[  268.004943]  smp_apic_timer_interrupt+0x1cb/0x760
[  268.009785]  ? smp_reschedule_interrupt+0x109/0x650
[  268.014801]  ? smp_call_function_single_interrupt+0x650/0x650
[  268.020684]  ? interrupt_entry+0xb5/0xc0
[  268.024745]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.029783]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.034835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.039679]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.044695]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.049710]  ? task_prio+0x50/0x50
[  268.053251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.058810]  ? check_preemption_disabled+0x48/0x280
[  268.063834]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.068688]  apic_timer_interrupt+0xf/0x20
[  268.072922]  </IRQ>
[  268.075192] RIP: 0010:dump_stack+0x358/0x39d
[  268.079605] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  268.098506] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  268.106235] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  268.113505] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  268.120771] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  268.128034] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  268.135299] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  268.142686]  ? dump_stack+0x34f/0x39d
[  268.146494]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.151686]  ? mark_held_locks+0x130/0x130
[  268.155936]  ? mark_held_locks+0x130/0x130
[  268.160202]  dump_header+0x27b/0xf72
[  268.163928]  ? pagefault_out_of_memory+0x197/0x197
[  268.168863]  ? __lock_acquire+0x62f/0x4c20
[  268.173120]  ? percpu_ref_get_many+0x240/0x240
[  268.177708]  ? print_usage_bug+0xc0/0xc0
[  268.181775]  ? zap_class+0x640/0x640
[  268.185489]  ? print_usage_bug+0xc0/0xc0
[  268.189547]  ? print_usage_bug+0xc0/0xc0
[  268.193629]  ? zap_class+0x640/0x640
[  268.197352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.202889]  ? find_held_lock+0x36/0x1c0
[  268.206957]  ? mark_held_locks+0xc7/0x130
[  268.211114]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  268.216215]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  268.221320]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  268.225902]  ? trace_hardirqs_on+0xbd/0x310
[  268.230224]  ? kasan_check_read+0x11/0x20
[  268.234368]  ? ___ratelimit+0x3b4/0x672
[  268.238342]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.243442]  ? trace_hardirqs_on+0x310/0x310
[  268.247865]  ? lock_downgrade+0x900/0x900
[  268.252019]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  268.257124]  ? ___ratelimit+0x3b9/0x672
[  268.261122]  ? idr_get_free+0xf70/0xf70
[  268.265105]  ? find_held_lock+0x36/0x1c0
[  268.269175]  oom_kill_process.cold.27+0x10/0x903
[  268.273929]  ? zap_class+0x640/0x640
[  268.277641]  ? check_preemption_disabled+0x48/0x280
[  268.282658]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.287586]  ? kasan_check_read+0x11/0x20
[  268.291746]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.297020]  ? oom_evaluate_task+0x540/0x540
[  268.301429]  ? find_held_lock+0x36/0x1c0
[  268.305512]  ? out_of_memory+0x974/0x1430
[  268.309659]  ? lock_downgrade+0x900/0x900
[  268.313819]  ? check_preemption_disabled+0x48/0x280
[  268.319345]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.324279]  ? kasan_check_read+0x11/0x20
[  268.328425]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.333913]  ? rcu_softirq_qs+0x20/0x20
[  268.337887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.343420]  ? oom_evaluate_task+0x302/0x540
[  268.347834]  out_of_memory+0xa84/0x1430
[  268.351814]  ? oom_killer_disable+0x3a0/0x3a0
[  268.356330]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  268.361266]  ? __ww_mutex_check_waiters+0x160/0x160
[  268.366294]  __alloc_pages_slowpath+0x2354/0x2e10
[  268.371163]  ? warn_alloc+0x120/0x120
[  268.374957]  ? mark_held_locks+0x130/0x130
[  268.379224]  ? find_get_entry+0xaae/0x1120
[  268.383556]  ? filemap_map_pages+0x1a20/0x1a20
[  268.388145]  ? zap_class+0x640/0x640
[  268.391868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.397411]  ? check_preemption_disabled+0x48/0x280
[  268.402450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.407991]  ? should_fail+0x22d/0xd01
[  268.411882]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.416986]  ? zap_class+0x640/0x640
[  268.420717]  ? __lock_is_held+0xb5/0x140
[  268.424783]  ? mark_held_locks+0x130/0x130
[  268.429022]  ? lock_release+0xa00/0xa00
[  268.432994]  ? perf_trace_sched_process_exec+0x860/0x860
[  268.438474]  ? xa_load+0x2ba/0x460
[  268.442015]  ? lock_downgrade+0x900/0x900
[  268.446165]  ? __might_sleep+0x95/0x190
[  268.450175]  __alloc_pages_nodemask+0xa80/0xde0
[  268.454861]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  268.459888]  ? __page_cache_alloc+0x191/0x5c0
[  268.464424]  ? xa_load+0x2e1/0x460
[  268.467972]  ? xa_clear_mark+0x40/0x40
[  268.471872]  ? zap_class+0x640/0x640
[  268.475602]  ? zap_class+0x640/0x640
[  268.479343]  ? zap_class+0x640/0x640
[  268.483053]  ? __do_page_cache_readahead+0x663/0x810
[  268.488166]  ? find_held_lock+0x36/0x1c0
[  268.492228]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  268.497770]  alloc_pages_current+0x173/0x350
[  268.502196]  __page_cache_alloc+0x38c/0x5c0
[  268.506516]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.511439]  ? kasan_check_read+0x11/0x20
[  268.515581]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.520870]  ? generic_perform_write+0x6a0/0x6a0
[  268.525639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.531188]  ? check_preemption_disabled+0x48/0x280
[  268.536216]  filemap_fault+0x1595/0x25f0
[  268.540283]  ? __lock_page_or_retry+0xa00/0xa00
[  268.544966]  ? mark_held_locks+0x130/0x130
[  268.549205]  ? filemap_map_pages+0xd6b/0x1a20
[  268.553718]  ? lock_downgrade+0x900/0x900
[  268.557874]  ? check_preemption_disabled+0x48/0x280
[  268.562897]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.567818]  ? kasan_check_read+0x11/0x20
[  268.571959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.577257]  ? rcu_softirq_qs+0x20/0x20
[  268.581251]  ? filemap_map_pages+0xd92/0x1a20
[  268.585765]  ? find_get_entries_tag+0x1400/0x1400
[  268.590608]  ? debug_object_destroy+0x2b0/0x2b0
[  268.595275]  ? lock_pi_update_atomic+0x150/0x150
[  268.600026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.605566]  ? lock_acquire+0x1ed/0x520
[  268.609535]  ? ext4_filemap_fault+0x7a/0xad
[  268.613868]  ? lock_release+0xa00/0xa00
[  268.617837]  ? perf_trace_sched_process_exec+0x860/0x860
[  268.623313]  ? print_usage_bug+0xc0/0xc0
[  268.627409]  ? print_usage_bug+0xc0/0xc0
[  268.631491]  ? down_read+0x8d/0x120
[  268.635135]  ? ext4_filemap_fault+0x7a/0xad
[  268.639469]  ? __down_interruptible+0x700/0x700
[  268.644182]  ext4_filemap_fault+0x82/0xad
[  268.648349]  __do_fault+0x100/0x6b0
[  268.651980]  ? pmd_devmap_trans_unstable+0x220/0x220
[  268.657102]  ? mark_held_locks+0x130/0x130
[  268.661356]  ? mark_held_locks+0x130/0x130
[  268.665587]  ? debug_smp_processor_id+0x1c/0x20
[  268.670247]  ? perf_trace_lock+0x14d/0x7a0
[  268.674474]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  268.680147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.685681]  __handle_mm_fault+0x3ea0/0x5be0
[  268.690131]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  268.694970]  ? lock_is_held_type+0x210/0x210
[  268.699409]  ? file_remove_privs+0x540/0x540
[  268.703831]  ? zap_class+0x640/0x640
[  268.707540]  ? zap_class+0x640/0x640
[  268.711268]  ? __x64_sys_futex+0x53e/0x6a0
[  268.715509]  ? find_held_lock+0x36/0x1c0
[  268.719578]  ? handle_mm_fault+0x42a/0xc70
[  268.723828]  ? lock_downgrade+0x900/0x900
[  268.727974]  ? check_preemption_disabled+0x48/0x280
[  268.732990]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.737951]  ? kasan_check_read+0x11/0x20
[  268.742122]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.747424]  ? rcu_softirq_qs+0x20/0x20
[  268.751431]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.756549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.762101]  ? check_preemption_disabled+0x48/0x280
[  268.767183]  handle_mm_fault+0x54f/0xc70
[  268.771246]  ? __handle_mm_fault+0x5be0/0x5be0
[  268.775830]  ? find_vma+0x34/0x190
[  268.779378]  __do_page_fault+0x5e8/0xe60
[  268.783456]  ? trace_hardirqs_off+0xb8/0x310
[  268.787890]  do_page_fault+0xf2/0x7e0
[  268.791691]  ? vmalloc_sync_all+0x30/0x30
[  268.795841]  ? error_entry+0x70/0xd0
[  268.799558]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.804575]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.809506]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.814435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.819295]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.824322]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.829803]  ? prepare_exit_to_usermode+0x291/0x3b0
[  268.834812]  ? page_fault+0x8/0x30
[  268.838348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.843198]  ? page_fault+0x8/0x30
[  268.846732]  page_fault+0x1e/0x30
[  268.850177] RIP: 0033:0x40f9c0
[  268.853382] Code: Bad RIP value.
[  268.856746] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  268.862131] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  268.869396] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  268.876658] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  268.883918] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  268.891207] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  268.898531] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  268.898536] warn_alloc_show_mem: 1 callbacks suppressed
[  268.898542] Mem-Info:
[  268.905724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.911103] active_anon:50082 inactive_anon:201 isolated_anon:0
[  268.911103]  active_file:11 inactive_file:13 isolated_file:0
[  268.911103]  unevictable:0 dirty:0 writeback:0 unstable:0
[  268.911103]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  268.911103]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  268.911103]  free:13738 free_pcp:300 free_cma:0
[  268.913469] Call Trace:
[  268.922856] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  268.955697]  <IRQ>
[  268.958266] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  268.985756]  dump_stack+0x244/0x39d
[  268.987877] lowmem_reserve[]: 0 2818 6321 6321
[  269.013981]  ? dump_stack_print_info.cold.1+0x20/0x20
[  269.017581] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  269.022164]  warn_alloc.cold.116+0xb7/0x1bd
[  269.027348] lowmem_reserve[]: 0 0 3503 3503
[  269.054952]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.059244] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  269.063559]  ? lock_downgrade+0x900/0x900
[  269.068387] lowmem_reserve[]: 0 0 0 0
[  269.097294]  ? trace_hardirqs_off+0xb8/0x310
[  269.101432] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  269.105220]  ? trace_hardirqs_off+0xb8/0x310
[  269.109593] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  269.123157]  __alloc_pages_slowpath+0x26e8/0x2e10
[  269.127551] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  269.142649]  ? warn_alloc+0x120/0x120
[  269.147454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  269.162005]  ? print_usage_bug+0xc0/0xc0
[  269.165785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  269.174607]  ? warn_alloc+0x120/0x120
[  269.178640] 268 total pagecache pages
[  269.187201]  ? warn_alloc+0x120/0x120
[  269.190995] 0 pages in swap cache
[  269.194775]  ? print_usage_bug+0xc0/0xc0
[  269.198549] Swap cache stats: add 0, delete 0, find 0/0
[  269.201989]  ? kvm_clock_read+0x18/0x30
[  269.206019] Free swap  = 0kB
[  269.211445]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  269.215406] Total swap = 0kB
[  269.218418]  ? print_usage_bug+0xc0/0xc0
[  269.223405] 1965979 pages RAM
[  269.226412]  ? __lock_acquire+0x62f/0x4c20
[  269.230445] 0 pages HighMem/MovableOnly
[  269.233559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.237776] 342853 pages reserved
[  269.241753]  ? should_fail+0x22d/0xd01
[  269.247262] 0 pages cma reserved
[  269.250715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.254658] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.257944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.263256] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.269671]  ? __lock_acquire+0x62f/0x4c20
[  269.274758] syz-fuzzer cpuset=/ mems_allowed=0
[  269.284972]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.298831]  ? __lock_acquire+0x62f/0x4c20
[  269.303073]  ? should_fail+0x22d/0xd01
[  269.306965]  ? rcu_irq_exit+0x1a2/0x390
[  269.310943]  ? mark_held_locks+0x130/0x130
[  269.315193]  ? mark_held_locks+0x130/0x130
[  269.319430]  ? mark_held_locks+0xc7/0x130
[  269.323576]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  269.328599]  ? zap_class+0x640/0x640
[  269.332310]  ? print_usage_bug+0xc0/0xc0
[  269.336388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.341941]  ? check_preemption_disabled+0x48/0x280
[  269.346969]  ? __lock_is_held+0xb5/0x140
[  269.351044]  __alloc_pages_nodemask+0xa80/0xde0
[  269.355722]  ? zap_class+0x640/0x640
[  269.359445]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  269.364485]  ? find_held_lock+0x36/0x1c0
[  269.368554]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.373236]  ? lock_downgrade+0x900/0x900
[  269.377385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.382917]  cache_grow_begin+0xa5/0x8c0
[  269.386997]  ? do_raw_spin_unlock+0xa7/0x330
[  269.391447]  fallback_alloc+0x204/0x2e0
[  269.395422]  ____cache_alloc_node+0x1c7/0x1e0
[  269.399936]  kmem_cache_alloc_node+0xe3/0x730
[  269.404439]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.408681]  __alloc_skb+0x119/0x770
[  269.412416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.417692]  ? netdev_alloc_frag+0x1f0/0x1f0
[  269.422104]  ? lock_downgrade+0x900/0x900
[  269.426257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.431789]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.437237]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.442721]  ? addrconf_rs_timer+0x690/0x690
[  269.447134]  ndisc_alloc_skb+0x144/0x340
[  269.451198]  ndisc_send_rs+0x331/0x6e0
[  269.455091]  addrconf_rs_timer+0x314/0x690
[  269.459344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.463630]  call_timer_fn+0x272/0x920
[  269.467511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.471744]  ? process_timeout+0x40/0x40
[  269.475809]  ? __run_timers+0x7da/0xc70
[  269.479778]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.484283]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.488774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.493002]  ? lockdep_hardirqs_on+0x296/0x5b0
[  269.497580]  ? trace_hardirqs_on+0xbd/0x310
[  269.501916]  ? kasan_check_read+0x11/0x20
[  269.506054]  ? __run_timers+0x7da/0xc70
[  269.510030]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.515162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.519398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.523659]  __run_timers+0x7e5/0xc70
[  269.527460]  ? timer_fixup_init+0x70/0x70
[  269.531606]  ? kasan_check_read+0x11/0x20
[  269.535748]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.541085]  ? rcu_softirq_qs+0x20/0x20
[  269.545071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.550614]  ? check_preemption_disabled+0x48/0x280
[  269.555644]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.560411]  ? retint_kernel+0x2d/0x2d
[  269.564292]  ? trace_hardirqs_on_caller+0xc0/0x310
[  269.569269]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  269.574052]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.579519]  ? zap_class+0x640/0x640
[  269.583234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.588783]  ? check_preemption_disabled+0x48/0x280
[  269.593833]  ? __lock_is_held+0xb5/0x140
[  269.597902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.603450]  ? check_preemption_disabled+0x48/0x280
[  269.608481]  run_timer_softirq+0x52/0xb0
[  269.612563]  ? rcu_read_lock_sched_held+0x14f/0x180
[  269.617574]  __do_softirq+0x308/0xb7e
[  269.621373]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  269.625876]  ? lock_downgrade+0x900/0x900
[  269.630019]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  269.635144]  ? pvclock_read_flags+0x160/0x160
[  269.639654]  ? lapic_next_event+0x5a/0x90
[  269.643851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.649413]  ? kvm_clock_read+0x18/0x30
[  269.653405]  ? kvm_sched_clock_read+0x9/0x20
[  269.657820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.663366]  ? check_preemption_disabled+0x48/0x280
[  269.668438]  irq_exit+0x17f/0x1c0
[  269.671896]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.676743]  ? smp_reschedule_interrupt+0x109/0x650
[  269.681767]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.687645]  ? interrupt_entry+0xb5/0xc0
[  269.691699]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.696711]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.701764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.706608]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.711620]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.716633]  ? task_prio+0x50/0x50
[  269.720171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.725706]  ? check_preemption_disabled+0x48/0x280
[  269.730723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.735572]  apic_timer_interrupt+0xf/0x20
[  269.739801]  </IRQ>
[  269.742045] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  269.746986] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  269.765885] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  269.773594] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  269.780857] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  269.788123] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  269.795401] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  269.802666] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  269.809978]  skb_clone+0x1bb/0x500
[  269.813517]  ? finish_task_switch+0x1b4/0x910
[  269.818014]  ? skb_split+0x11e0/0x11e0
[  269.821903]  ? preempt_notifier_register+0x200/0x200
[  269.827003]  ? __switch_to_asm+0x34/0x70
[  269.831059]  ? __switch_to_asm+0x34/0x70
[  269.835125]  ? __switch_to_asm+0x40/0x70
[  269.839179]  ? __switch_to_asm+0x34/0x70
[  269.843233]  ? __switch_to_asm+0x40/0x70
[  269.847308]  ? __switch_to_asm+0x34/0x70
[  269.851390]  ? __switch_to_asm+0x40/0x70
[  269.855453]  ? __switch_to_asm+0x34/0x70
[  269.859533]  ? __switch_to_asm+0x34/0x70
[  269.863593]  ? __switch_to_asm+0x40/0x70
[  269.867661]  ? __switch_to_asm+0x34/0x70
[  269.871727]  bpf_clone_redirect+0xb9/0x490
[  269.875963]  ? __schedule+0x8d7/0x21d0
[  269.879855]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  269.884874]  ? __sched_text_start+0x8/0x8
[  269.889021]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  269.893614]  ? retint_kernel+0x2d/0x2d
[  269.897498]  ? trace_hardirqs_on_caller+0xc0/0x310
[  269.902457]  ? find_held_lock+0x36/0x1c0
[  269.906527]  ? lock_acquire+0x1ed/0x520
[  269.910506]  ? bpf_test_run+0x3cb/0x780
[  269.914481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.920037]  ? check_preemption_disabled+0x48/0x280
[  269.925061]  ? kasan_check_read+0x11/0x20
[  269.929241]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.934519]  ? rcu_softirq_qs+0x20/0x20
[  269.938500]  ? preempt_schedule+0x4d/0x60
[  269.942647]  ? ___preempt_schedule+0x16/0x18
[  269.947062]  ? bpf_test_run+0x25d/0x780
[  269.951051]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.955466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.960998]  ? bpf_test_init.isra.10+0x70/0x100
[  269.965672]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  269.970434]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  269.975297]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.980833]  ? fput+0x130/0x1a0
[  269.984110]  ? __bpf_prog_get+0x9b/0x290
[  269.988178]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  269.993033]  ? bpf_prog_test_run+0x130/0x1a0
[  269.997447]  ? __x64_sys_bpf+0x3d8/0x520
[  270.001511]  ? bpf_prog_get+0x20/0x20
[  270.005324]  ? do_syscall_64+0x1b9/0x820
[  270.009381]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  270.014772]  ? syscall_return_slowpath+0x5e0/0x5e0
[  270.019694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.024536]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.029557]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  270.034601]  ? prepare_exit_to_usermode+0x291/0x3b0
[  270.039638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.044496]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  270.049868] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  270.049943] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  270.056790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.056795] Call Trace:
[  270.056800]  <IRQ>
[  270.056815]  dump_stack+0x244/0x39d
[  270.056832]  ? dump_stack_print_info.cold.1+0x20/0x20
[  270.063410] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  270.072676]  warn_alloc.cold.116+0xb7/0x1bd
[  270.075227] syz-executor3 cpuset=syz3 mems_allowed=0
[  270.077381]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.110876]  ? lock_downgrade+0x900/0x900
[  270.115026]  ? trace_hardirqs_off+0xb8/0x310
[  270.119432]  ? trace_hardirqs_off+0xb8/0x310
[  270.123870]  __alloc_pages_slowpath+0x26e8/0x2e10
[  270.128780]  ? warn_alloc+0x120/0x120
[  270.132584]  ? print_usage_bug+0xc0/0xc0
[  270.136645]  ? warn_alloc+0x120/0x120
[  270.140458]  ? warn_alloc+0x120/0x120
[  270.144274]  ? print_usage_bug+0xc0/0xc0
[  270.148352]  ? print_usage_bug+0xc0/0xc0
[  270.152440]  ? __lock_acquire+0x62f/0x4c20
[  270.156685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.162218]  ? should_fail+0x22d/0xd01
[  270.166112]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.171237]  ? __lock_acquire+0x62f/0x4c20
[  270.175466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.180561]  ? __lock_acquire+0x62f/0x4c20
[  270.184787]  ? should_fail+0x22d/0xd01
[  270.188670]  ? find_held_lock+0x36/0x1c0
[  270.192755]  ? mark_held_locks+0x130/0x130
[  270.197002]  ? mark_held_locks+0x130/0x130
[  270.201234]  ? zap_class+0x640/0x640
[  270.204954]  ? zap_class+0x640/0x640
[  270.208688]  ? print_usage_bug+0xc0/0xc0
[  270.212745]  ? do_raw_spin_unlock+0xa7/0x330
[  270.217182]  ? zap_class+0x640/0x640
[  270.220890]  ? print_usage_bug+0xc0/0xc0
[  270.224944]  ? wq_watchdog_touch+0x9c/0xfe
[  270.229194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.234740]  ? check_preemption_disabled+0x48/0x280
[  270.239798]  ? __lock_is_held+0xb5/0x140
[  270.243908]  __alloc_pages_nodemask+0xa80/0xde0
[  270.248577]  ? zap_class+0x640/0x640
[  270.252296]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  270.257327]  ? find_held_lock+0x36/0x1c0
[  270.261407]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.266074]  ? lock_downgrade+0x900/0x900
[  270.270251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.275808]  cache_grow_begin+0xa5/0x8c0
[  270.279881]  ? do_raw_spin_unlock+0xa7/0x330
[  270.284311]  fallback_alloc+0x204/0x2e0
[  270.288305]  ____cache_alloc_node+0x1c7/0x1e0
[  270.292823]  kmem_cache_alloc_node+0xe3/0x730
[  270.297346]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.301645]  __alloc_skb+0x119/0x770
[  270.305356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.310646]  ? netdev_alloc_frag+0x1f0/0x1f0
[  270.315052]  ? lock_downgrade+0x900/0x900
[  270.319687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.325225]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.330693]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.336187]  ? addrconf_rs_timer+0x690/0x690
[  270.340601]  ndisc_alloc_skb+0x144/0x340
[  270.344663]  ndisc_send_rs+0x331/0x6e0
[  270.348551]  addrconf_rs_timer+0x314/0x690
[  270.352803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.357061]  call_timer_fn+0x272/0x920
[  270.360993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.365224]  ? process_timeout+0x40/0x40
[  270.369329]  ? mark_held_locks+0xc7/0x130
[  270.373475]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.377980]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.382484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.386727]  ? lockdep_hardirqs_on+0x296/0x5b0
[  270.391305]  ? trace_hardirqs_on+0xbd/0x310
[  270.395621]  ? kasan_check_read+0x11/0x20
[  270.399760]  ? __run_timers+0x7da/0xc70
[  270.403728]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.408827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.413061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.417329]  __run_timers+0x7e5/0xc70
[  270.421145]  ? timer_fixup_init+0x70/0x70
[  270.425289]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  270.430313]  ? zap_class+0x640/0x640
[  270.434031]  ? print_usage_bug+0xc0/0xc0
[  270.438100]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  270.443295]  ? find_held_lock+0x36/0x1c0
[  270.447356]  ? zap_class+0x640/0x640
[  270.451378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.456924]  ? check_preemption_disabled+0x48/0x280
[  270.461947]  ? __lock_is_held+0xb5/0x140
[  270.466006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.471538]  ? check_preemption_disabled+0x48/0x280
[  270.476556]  run_timer_softirq+0x52/0xb0
[  270.480611]  ? rcu_read_lock_sched_held+0x14f/0x180
[  270.485625]  __do_softirq+0x308/0xb7e
[  270.489427]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  270.493922]  ? lock_downgrade+0x900/0x900
[  270.498070]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  270.503188]  ? pvclock_read_flags+0x160/0x160
[  270.507728]  ? lapic_next_event+0x5a/0x90
[  270.511906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.517458]  ? kvm_clock_read+0x18/0x30
[  270.521428]  ? kvm_sched_clock_read+0x9/0x20
[  270.525835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.531409]  ? check_preemption_disabled+0x48/0x280
[  270.536432]  irq_exit+0x17f/0x1c0
[  270.539883]  smp_apic_timer_interrupt+0x1cb/0x760
[  270.544735]  ? smp_reschedule_interrupt+0x109/0x650
[  270.549773]  ? smp_call_function_single_interrupt+0x650/0x650
[  270.555652]  ? interrupt_entry+0xb5/0xc0
[  270.559714]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.564724]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.569740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.574581]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.579614]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.584627]  ? task_prio+0x50/0x50
[  270.588168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.593739]  ? check_preemption_disabled+0x48/0x280
[  270.598757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.603620]  apic_timer_interrupt+0xf/0x20
[  270.607865]  </IRQ>
[  270.610119] RIP: 0010:dump_stack+0x358/0x39d
[  270.614521] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  270.633416] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  270.641138] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  270.648408] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  270.655678] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  270.662942] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  270.670225] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  270.677548]  ? dump_stack+0x34f/0x39d
[  270.681399]  ? dump_stack_print_info.cold.1+0x20/0x20
[  270.686586]  ? mark_held_locks+0x130/0x130
[  270.690817]  ? mark_held_locks+0x130/0x130
[  270.695057]  dump_header+0x27b/0xf72
[  270.698824]  ? pagefault_out_of_memory+0x197/0x197
[  270.703758]  ? __lock_acquire+0x62f/0x4c20
[  270.708001]  ? percpu_ref_get_many+0x240/0x240
[  270.712611]  ? print_usage_bug+0xc0/0xc0
[  270.716679]  ? zap_class+0x640/0x640
[  270.720396]  ? print_usage_bug+0xc0/0xc0
[  270.724454]  ? print_usage_bug+0xc0/0xc0
[  270.728520]  ? zap_class+0x640/0x640
[  270.732246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.737809]  ? find_held_lock+0x36/0x1c0
[  270.741878]  ? mark_held_locks+0xc7/0x130
[  270.746027]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  270.751133]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  270.756253]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  270.760839]  ? trace_hardirqs_on+0xbd/0x310
[  270.765162]  ? kasan_check_read+0x11/0x20
[  270.769328]  ? ___ratelimit+0x3b4/0x672
[  270.773305]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.778435]  ? trace_hardirqs_on+0x310/0x310
[  270.782843]  ? lock_downgrade+0x900/0x900
[  270.786999]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.792143]  ? ___ratelimit+0x3b9/0x672
[  270.796146]  ? idr_get_free+0xf70/0xf70
[  270.800122]  ? find_held_lock+0x36/0x1c0
[  270.804189]  oom_kill_process.cold.27+0x10/0x903
[  270.808962]  ? zap_class+0x640/0x640
[  270.812674]  ? check_preemption_disabled+0x48/0x280
[  270.817703]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.822629]  ? kasan_check_read+0x11/0x20
[  270.826779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.832057]  ? oom_evaluate_task+0x540/0x540
[  270.836479]  ? find_held_lock+0x36/0x1c0
[  270.840561]  ? out_of_memory+0x974/0x1430
[  270.844712]  ? lock_downgrade+0x900/0x900
[  270.848871]  ? check_preemption_disabled+0x48/0x280
[  270.853894]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.858817]  ? kasan_check_read+0x11/0x20
[  270.862960]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.868302]  ? rcu_softirq_qs+0x20/0x20
[  270.872311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.877857]  ? oom_evaluate_task+0x302/0x540
[  270.882282]  out_of_memory+0xa84/0x1430
[  270.886278]  ? oom_killer_disable+0x3a0/0x3a0
[  270.890772]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  270.895726]  ? __ww_mutex_check_waiters+0x160/0x160
[  270.900747]  __alloc_pages_slowpath+0x2354/0x2e10
[  270.905607]  ? warn_alloc+0x120/0x120
[  270.909435]  ? mark_held_locks+0x130/0x130
[  270.913675]  ? find_get_entry+0xaae/0x1120
[  270.917926]  ? filemap_map_pages+0x1a20/0x1a20
[  270.922523]  ? zap_class+0x640/0x640
[  270.926242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.931775]  ? check_preemption_disabled+0x48/0x280
[  270.936787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.942320]  ? should_fail+0x22d/0xd01
[  270.946212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.951327]  ? zap_class+0x640/0x640
[  270.955074]  ? __lock_is_held+0xb5/0x140
[  270.959208]  ? mark_held_locks+0x130/0x130
[  270.963478]  ? lock_release+0xa00/0xa00
[  270.967479]  ? perf_trace_sched_process_exec+0x860/0x860
[  270.972943]  ? xa_load+0x2ba/0x460
[  270.976483]  ? lock_downgrade+0x900/0x900
[  270.980657]  ? __might_sleep+0x95/0x190
[  270.984643]  __alloc_pages_nodemask+0xa80/0xde0
[  270.989332]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  270.994380]  ? __page_cache_alloc+0x191/0x5c0
[  270.998886]  ? xa_load+0x2e1/0x460
[  271.002425]  ? xa_clear_mark+0x40/0x40
[  271.006325]  ? zap_class+0x640/0x640
[  271.010058]  ? zap_class+0x640/0x640
[  271.013796]  ? zap_class+0x640/0x640
[  271.017528]  ? __do_page_cache_readahead+0x663/0x810
[  271.022647]  ? find_held_lock+0x36/0x1c0
[  271.026704]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  271.032245]  alloc_pages_current+0x173/0x350
[  271.036652]  __page_cache_alloc+0x38c/0x5c0
[  271.040995]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.045937]  ? kasan_check_read+0x11/0x20
[  271.050086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.055396]  ? generic_perform_write+0x6a0/0x6a0
[  271.060146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.065676]  ? check_preemption_disabled+0x48/0x280
[  271.070694]  filemap_fault+0x1595/0x25f0
[  271.074780]  ? __lock_page_or_retry+0xa00/0xa00
[  271.079442]  ? mark_held_locks+0x130/0x130
[  271.083681]  ? filemap_map_pages+0xd6b/0x1a20
[  271.088171]  ? lock_downgrade+0x900/0x900
[  271.092327]  ? check_preemption_disabled+0x48/0x280
[  271.097358]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.102283]  ? kasan_check_read+0x11/0x20
[  271.106438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.111723]  ? rcu_softirq_qs+0x20/0x20
[  271.115700]  ? filemap_map_pages+0xd92/0x1a20
[  271.120201]  ? find_get_entries_tag+0x1400/0x1400
[  271.125042]  ? debug_object_destroy+0x2b0/0x2b0
[  271.129712]  ? lock_pi_update_atomic+0x150/0x150
[  271.134461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.140002]  ? lock_acquire+0x1ed/0x520
[  271.143968]  ? ext4_filemap_fault+0x7a/0xad
[  271.148292]  ? lock_release+0xa00/0xa00
[  271.152279]  ? perf_trace_sched_process_exec+0x860/0x860
[  271.157757]  ? print_usage_bug+0xc0/0xc0
[  271.161829]  ? print_usage_bug+0xc0/0xc0
[  271.165944]  ? down_read+0x8d/0x120
[  271.169568]  ? ext4_filemap_fault+0x7a/0xad
[  271.173900]  ? __down_interruptible+0x700/0x700
[  271.178603]  ext4_filemap_fault+0x82/0xad
[  271.182794]  __do_fault+0x100/0x6b0
[  271.186422]  ? pmd_devmap_trans_unstable+0x220/0x220
[  271.191543]  ? mark_held_locks+0x130/0x130
[  271.195792]  ? mark_held_locks+0x130/0x130
[  271.200030]  ? debug_smp_processor_id+0x1c/0x20
[  271.204696]  ? perf_trace_lock+0x14d/0x7a0
[  271.208926]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  271.214547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.220096]  __handle_mm_fault+0x3ea0/0x5be0
[  271.224511]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  271.229354]  ? lock_is_held_type+0x210/0x210
[  271.233778]  ? file_remove_privs+0x540/0x540
[  271.238234]  ? zap_class+0x640/0x640
[  271.241956]  ? zap_class+0x640/0x640
[  271.245677]  ? __x64_sys_futex+0x53e/0x6a0
[  271.249926]  ? find_held_lock+0x36/0x1c0
[  271.253989]  ? handle_mm_fault+0x42a/0xc70
[  271.258223]  ? lock_downgrade+0x900/0x900
[  271.262395]  ? check_preemption_disabled+0x48/0x280
[  271.267425]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  271.272352]  ? kasan_check_read+0x11/0x20
[  271.276495]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.281767]  ? rcu_softirq_qs+0x20/0x20
[  271.285737]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.290836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.296399]  ? check_preemption_disabled+0x48/0x280
[  271.301423]  handle_mm_fault+0x54f/0xc70
[  271.305504]  ? __handle_mm_fault+0x5be0/0x5be0
[  271.310147]  ? find_vma+0x34/0x190
[  271.313693]  __do_page_fault+0x5e8/0xe60
[  271.317778]  ? trace_hardirqs_off+0xb8/0x310
[  271.322213]  do_page_fault+0xf2/0x7e0
[  271.326018]  ? vmalloc_sync_all+0x30/0x30
[  271.330162]  ? error_entry+0x70/0xd0
[  271.333875]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.338930]  ? trace_hardirqs_on_caller+0xc0/0x310
[  271.343870]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.348794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.353649]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.358656]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  271.364115]  ? prepare_exit_to_usermode+0x291/0x3b0
[  271.369139]  ? page_fault+0x8/0x30
[  271.372690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.377533]  ? page_fault+0x8/0x30
[  271.381101]  page_fault+0x1e/0x30
[  271.384553] RIP: 0033:0x40f9c0
[  271.387785] Code: Bad RIP value.
[  271.391146] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  271.396534] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  271.403792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  271.411050] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  271.418320] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  271.425598] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  271.432892] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  271.432897] warn_alloc_show_mem: 1 callbacks suppressed
[  271.432904] Mem-Info:
[  271.440105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.445481] active_anon:50082 inactive_anon:201 isolated_anon:0
[  271.445481]  active_file:11 inactive_file:13 isolated_file:0
[  271.445481]  unevictable:0 dirty:0 writeback:0 unstable:0
[  271.445481]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  271.445481]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  271.445481]  free:13738 free_pcp:300 free_cma:0
[  271.447850] Call Trace:
[  271.457232] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  271.490098]  <IRQ>
[  271.492664] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  271.520179]  dump_stack+0x244/0x39d
[  271.522299] lowmem_reserve[]: 0 2818 6321 6321
[  271.548396]  ? dump_stack_print_info.cold.1+0x20/0x20
[  271.551993] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  271.556583]  warn_alloc.cold.116+0xb7/0x1bd
[  271.561763] lowmem_reserve[]: 0 0 3503 3503
[  271.589372]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.593666] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  271.597976]  ? lock_downgrade+0x900/0x900
[  271.602789] lowmem_reserve[]: 0 0 0 0
[  271.631667]  ? trace_hardirqs_off+0xb8/0x310
[  271.635782] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  271.639573]  ? trace_hardirqs_off+0xb8/0x310
[  271.643951] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  271.657462]  __alloc_pages_slowpath+0x26e8/0x2e10
[  271.661836] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  271.676927]  ? warn_alloc+0x120/0x120
[  271.681729] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  271.696275]  ? print_usage_bug+0xc0/0xc0
[  271.700062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  271.708886]  ? warn_alloc+0x120/0x120
[  271.712924] 268 total pagecache pages
[  271.721493]  ? warn_alloc+0x120/0x120
[  271.725275] 0 pages in swap cache
[  271.729061]  ? print_usage_bug+0xc0/0xc0
[  271.732843] Swap cache stats: add 0, delete 0, find 0/0
[  271.736299]  ? kvm_clock_read+0x18/0x30
[  271.740337] Free swap  = 0kB
[  271.745730]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  271.749696] Total swap = 0kB
[  271.752711]  ? print_usage_bug+0xc0/0xc0
[  271.757703] 1965979 pages RAM
[  271.760717]  ? __lock_acquire+0x62f/0x4c20
[  271.764759] 0 pages HighMem/MovableOnly
[  271.767858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.772065] 342853 pages reserved
[  271.776056]  ? should_fail+0x22d/0xd01
[  271.781566] 0 pages cma reserved
[  271.785015]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.788947] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.792242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.797582] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.804072]  ? __lock_acquire+0x62f/0x4c20
[  271.809164] syz-fuzzer cpuset=/ mems_allowed=0
[  271.819382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.833256]  ? __lock_acquire+0x62f/0x4c20
[  271.837527]  ? should_fail+0x22d/0xd01
[  271.841410]  ? rcu_irq_exit+0x1a2/0x390
[  271.845399]  ? mark_held_locks+0x130/0x130
[  271.849640]  ? mark_held_locks+0x130/0x130
[  271.853875]  ? mark_held_locks+0xc7/0x130
[  271.858021]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  271.863038]  ? zap_class+0x640/0x640
[  271.866747]  ? print_usage_bug+0xc0/0xc0
[  271.870809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.876371]  ? check_preemption_disabled+0x48/0x280
[  271.881425]  ? __lock_is_held+0xb5/0x140
[  271.885489]  __alloc_pages_nodemask+0xa80/0xde0
[  271.890156]  ? zap_class+0x640/0x640
[  271.893876]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  271.898899]  ? find_held_lock+0x36/0x1c0
[  271.902966]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.907633]  ? lock_downgrade+0x900/0x900
[  271.911784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.917328]  cache_grow_begin+0xa5/0x8c0
[  271.921390]  ? do_raw_spin_unlock+0xa7/0x330
[  271.925808]  fallback_alloc+0x204/0x2e0
[  271.929785]  ____cache_alloc_node+0x1c7/0x1e0
[  271.934301]  kmem_cache_alloc_node+0xe3/0x730
[  271.938799]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.943047]  __alloc_skb+0x119/0x770
[  271.946768]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.952047]  ? netdev_alloc_frag+0x1f0/0x1f0
[  271.956464]  ? lock_downgrade+0x900/0x900
[  271.960622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.966162]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.971624]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.977105]  ? addrconf_rs_timer+0x690/0x690
[  271.981528]  ndisc_alloc_skb+0x144/0x340
[  271.985625]  ndisc_send_rs+0x331/0x6e0
[  271.989547]  addrconf_rs_timer+0x314/0x690
[  271.993782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.998025]  call_timer_fn+0x272/0x920
[  272.001908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.006136]  ? process_timeout+0x40/0x40
[  272.010199]  ? __run_timers+0x7da/0xc70
[  272.014179]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.018667]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.023164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.027433]  ? lockdep_hardirqs_on+0x296/0x5b0
[  272.032025]  ? trace_hardirqs_on+0xbd/0x310
[  272.036344]  ? kasan_check_read+0x11/0x20
[  272.040483]  ? __run_timers+0x7da/0xc70
[  272.044451]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.049553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.053787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.058019]  __run_timers+0x7e5/0xc70
[  272.061826]  ? timer_fixup_init+0x70/0x70
[  272.065967]  ? kasan_check_read+0x11/0x20
[  272.070127]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.075429]  ? rcu_softirq_qs+0x20/0x20
[  272.079400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.084932]  ? check_preemption_disabled+0x48/0x280
[  272.089949]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  272.094712]  ? retint_kernel+0x2d/0x2d
[  272.098598]  ? trace_hardirqs_on_caller+0xc0/0x310
[  272.103571]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  272.108349]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.113821]  ? zap_class+0x640/0x640
[  272.117569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.123120]  ? check_preemption_disabled+0x48/0x280
[  272.128161]  ? __lock_is_held+0xb5/0x140
[  272.132237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.137803]  ? check_preemption_disabled+0x48/0x280
[  272.142848]  run_timer_softirq+0x52/0xb0
[  272.146921]  ? rcu_read_lock_sched_held+0x14f/0x180
[  272.151933]  __do_softirq+0x308/0xb7e
[  272.155764]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  272.160290]  ? lock_downgrade+0x900/0x900
[  272.164447]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  272.169567]  ? pvclock_read_flags+0x160/0x160
[  272.174063]  ? lapic_next_event+0x5a/0x90
[  272.178231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.183787]  ? kvm_clock_read+0x18/0x30
[  272.187761]  ? kvm_sched_clock_read+0x9/0x20
[  272.192177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.197722]  ? check_preemption_disabled+0x48/0x280
[  272.202760]  irq_exit+0x17f/0x1c0
[  272.206242]  smp_apic_timer_interrupt+0x1cb/0x760
[  272.211103]  ? smp_reschedule_interrupt+0x109/0x650
[  272.216118]  ? smp_call_function_single_interrupt+0x650/0x650
[  272.222001]  ? interrupt_entry+0xb5/0xc0
[  272.226060]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.231090]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.236113]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.240954]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.245964]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.250990]  ? task_prio+0x50/0x50
[  272.254530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.260067]  ? check_preemption_disabled+0x48/0x280
[  272.265116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.269975]  apic_timer_interrupt+0xf/0x20
[  272.274215]  </IRQ>
[  272.276475] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  272.281403] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  272.300296] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  272.307996] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  272.315263] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  272.322666] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  272.329931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  272.337205] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  272.344523]  skb_clone+0x1bb/0x500
[  272.348064]  ? finish_task_switch+0x1b4/0x910
[  272.352579]  ? skb_split+0x11e0/0x11e0
[  272.356489]  ? preempt_notifier_register+0x200/0x200
[  272.361586]  ? __switch_to_asm+0x34/0x70
[  272.365646]  ? __switch_to_asm+0x34/0x70
[  272.369716]  ? __switch_to_asm+0x40/0x70
[  272.373768]  ? __switch_to_asm+0x34/0x70
[  272.377820]  ? __switch_to_asm+0x40/0x70
[  272.381873]  ? __switch_to_asm+0x34/0x70
[  272.385928]  ? __switch_to_asm+0x40/0x70
[  272.389986]  ? __switch_to_asm+0x34/0x70
[  272.394040]  ? __switch_to_asm+0x34/0x70
[  272.398101]  ? __switch_to_asm+0x40/0x70
[  272.402168]  ? __switch_to_asm+0x34/0x70
[  272.406227]  bpf_clone_redirect+0xb9/0x490
[  272.410459]  ? __schedule+0x8d7/0x21d0
[  272.414368]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  272.419383]  ? __sched_text_start+0x8/0x8
[  272.423528]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  272.428123]  ? retint_kernel+0x2d/0x2d
[  272.432035]  ? trace_hardirqs_on_caller+0xc0/0x310
[  272.436979]  ? find_held_lock+0x36/0x1c0
[  272.441057]  ? lock_acquire+0x1ed/0x520
[  272.445067]  ? bpf_test_run+0x3cb/0x780
[  272.449527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.455065]  ? check_preemption_disabled+0x48/0x280
[  272.460092]  ? kasan_check_read+0x11/0x20
[  272.464251]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.469525]  ? rcu_softirq_qs+0x20/0x20
[  272.473496]  ? preempt_schedule+0x4d/0x60
[  272.477642]  ? ___preempt_schedule+0x16/0x18
[  272.482063]  ? bpf_test_run+0x25d/0x780
[  272.486051]  ? netlink_diag_dump+0x2a0/0x2a0
[  272.490469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.496000]  ? bpf_test_init.isra.10+0x70/0x100
[  272.500668]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  272.505424]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  272.510297]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  272.515844]  ? fput+0x130/0x1a0
[  272.519123]  ? __bpf_prog_get+0x9b/0x290
[  272.523186]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  272.528022]  ? bpf_prog_test_run+0x130/0x1a0
[  272.532428]  ? __x64_sys_bpf+0x3d8/0x520
[  272.536484]  ? bpf_prog_get+0x20/0x20
[  272.540313]  ? do_syscall_64+0x1b9/0x820
[  272.544377]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  272.549737]  ? syscall_return_slowpath+0x5e0/0x5e0
[  272.554659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.559502]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.564514]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  272.569530]  ? prepare_exit_to_usermode+0x291/0x3b0
[  272.574580]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.579429]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  272.584807] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  272.584898] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  272.591749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.591756] Call Trace:
[  272.598323] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  272.607584]  <IRQ>
[  272.610157] syz-executor3 cpuset=syz3 mems_allowed=0
[  272.620630]  dump_stack+0x244/0x39d
[  272.631468]  ? dump_stack_print_info.cold.1+0x20/0x20
[  272.636664]  warn_alloc.cold.116+0xb7/0x1bd
[  272.640980]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.645817]  ? lock_downgrade+0x900/0x900
[  272.649990]  ? trace_hardirqs_off+0xb8/0x310
[  272.654401]  ? trace_hardirqs_off+0xb8/0x310
[  272.658830]  __alloc_pages_slowpath+0x26e8/0x2e10
[  272.663697]  ? warn_alloc+0x120/0x120
[  272.667495]  ? print_usage_bug+0xc0/0xc0
[  272.671552]  ? warn_alloc+0x120/0x120
[  272.675350]  ? warn_alloc+0x120/0x120
[  272.679174]  ? print_usage_bug+0xc0/0xc0
[  272.683252]  ? kvm_clock_read+0x18/0x30
[  272.687225]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  272.692253]  ? print_usage_bug+0xc0/0xc0
[  272.696314]  ? __lock_acquire+0x62f/0x4c20
[  272.700562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.706105]  ? should_fail+0x22d/0xd01
[  272.709983]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.715259]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.720375]  ? __lock_acquire+0x62f/0x4c20
[  272.724611]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.729709]  ? __lock_acquire+0x62f/0x4c20
[  272.733953]  ? should_fail+0x22d/0xd01
[  272.737853]  ? rcu_irq_exit+0x1a2/0x390
[  272.741833]  ? mark_held_locks+0x130/0x130
[  272.746071]  ? mark_held_locks+0x130/0x130
[  272.750361]  ? mark_held_locks+0xc7/0x130
[  272.754505]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  272.759674]  ? zap_class+0x640/0x640
[  272.763403]  ? print_usage_bug+0xc0/0xc0
[  272.767473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.773016]  ? check_preemption_disabled+0x48/0x280
[  272.778040]  ? __lock_is_held+0xb5/0x140
[  272.782134]  __alloc_pages_nodemask+0xa80/0xde0
[  272.786814]  ? zap_class+0x640/0x640
[  272.790566]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  272.795592]  ? find_held_lock+0x36/0x1c0
[  272.799659]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.804330]  ? lock_downgrade+0x900/0x900
[  272.808484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.814040]  cache_grow_begin+0xa5/0x8c0
[  272.818161]  ? do_raw_spin_unlock+0xa7/0x330
[  272.822584]  fallback_alloc+0x204/0x2e0
[  272.826564]  ____cache_alloc_node+0x1c7/0x1e0
[  272.831066]  kmem_cache_alloc_node+0xe3/0x730
[  272.835574]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.839816]  __alloc_skb+0x119/0x770
[  272.843527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.848804]  ? netdev_alloc_frag+0x1f0/0x1f0
[  272.853210]  ? lock_downgrade+0x900/0x900
[  272.857424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.862960]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.868412]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.873858]  ? addrconf_rs_timer+0x690/0x690
[  272.878272]  ndisc_alloc_skb+0x144/0x340
[  272.882335]  ndisc_send_rs+0x331/0x6e0
[  272.886229]  addrconf_rs_timer+0x314/0x690
[  272.890534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.894775]  call_timer_fn+0x272/0x920
[  272.898660]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.902909]  ? process_timeout+0x40/0x40
[  272.906975]  ? mark_held_locks+0xc7/0x130
[  272.911138]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.915627]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.920121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.924355]  ? lockdep_hardirqs_on+0x296/0x5b0
[  272.928950]  ? trace_hardirqs_on+0xbd/0x310
[  272.933266]  ? kasan_check_read+0x11/0x20
[  272.937452]  ? __run_timers+0x7da/0xc70
[  272.941498]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.946616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.950867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.955123]  __run_timers+0x7e5/0xc70
[  272.958946]  ? timer_fixup_init+0x70/0x70
[  272.963104]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.968137]  ? zap_class+0x640/0x640
[  272.971868]  ? print_usage_bug+0xc0/0xc0
[  272.975929]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  272.981140]  ? find_held_lock+0x36/0x1c0
[  272.985219]  ? zap_class+0x640/0x640
[  272.988947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.994480]  ? check_preemption_disabled+0x48/0x280
[  272.999543]  ? __lock_is_held+0xb5/0x140
[  273.003613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.009152]  ? check_preemption_disabled+0x48/0x280
[  273.014200]  run_timer_softirq+0x52/0xb0
[  273.018261]  ? rcu_read_lock_sched_held+0x14f/0x180
[  273.023306]  __do_softirq+0x308/0xb7e
[  273.027115]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  273.031611]  ? lock_downgrade+0x900/0x900
[  273.035789]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  273.040929]  ? pvclock_read_flags+0x160/0x160
[  273.045426]  ? lapic_next_event+0x5a/0x90
[  273.049587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.055135]  ? kvm_clock_read+0x18/0x30
[  273.059125]  ? kvm_sched_clock_read+0x9/0x20
[  273.063531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.069065]  ? check_preemption_disabled+0x48/0x280
[  273.074122]  irq_exit+0x17f/0x1c0
[  273.077575]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.082440]  ? smp_reschedule_interrupt+0x109/0x650
[  273.087455]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.093334]  ? interrupt_entry+0xb5/0xc0
[  273.097406]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.102419]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.107437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.112288]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.117320]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.122337]  ? task_prio+0x50/0x50
[  273.125894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.131425]  ? check_preemption_disabled+0x48/0x280
[  273.136439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.141281]  apic_timer_interrupt+0xf/0x20
[  273.145518]  </IRQ>
[  273.147750] RIP: 0010:dump_stack+0x358/0x39d
[  273.152158] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  273.171049] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  273.178758] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  273.186022] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  273.193300] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  273.200561] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  273.207836] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  273.215156]  ? dump_stack+0x34f/0x39d
[  273.218965]  ? dump_stack_print_info.cold.1+0x20/0x20
[  273.224149]  ? mark_held_locks+0x130/0x130
[  273.228376]  ? mark_held_locks+0x130/0x130
[  273.232606]  dump_header+0x27b/0xf72
[  273.236338]  ? pagefault_out_of_memory+0x197/0x197
[  273.241294]  ? __lock_acquire+0x62f/0x4c20
[  273.245606]  ? percpu_ref_get_many+0x240/0x240
[  273.250202]  ? print_usage_bug+0xc0/0xc0
[  273.254271]  ? zap_class+0x640/0x640
[  273.257998]  ? print_usage_bug+0xc0/0xc0
[  273.262054]  ? print_usage_bug+0xc0/0xc0
[  273.266165]  ? zap_class+0x640/0x640
[  273.269877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.275414]  ? find_held_lock+0x36/0x1c0
[  273.279512]  ? mark_held_locks+0xc7/0x130
[  273.283656]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  273.288778]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  273.293876]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  273.298457]  ? trace_hardirqs_on+0xbd/0x310
[  273.302773]  ? kasan_check_read+0x11/0x20
[  273.306921]  ? ___ratelimit+0x3b4/0x672
[  273.310906]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.316021]  ? trace_hardirqs_on+0x310/0x310
[  273.320433]  ? lock_downgrade+0x900/0x900
[  273.324595]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  273.329693]  ? ___ratelimit+0x3b9/0x672
[  273.333665]  ? idr_get_free+0xf70/0xf70
[  273.337633]  ? find_held_lock+0x36/0x1c0
[  273.341722]  oom_kill_process.cold.27+0x10/0x903
[  273.346473]  ? zap_class+0x640/0x640
[  273.350181]  ? check_preemption_disabled+0x48/0x280
[  273.355193]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.360141]  ? kasan_check_read+0x11/0x20
[  273.364291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.369670]  ? oom_evaluate_task+0x540/0x540
[  273.374114]  ? find_held_lock+0x36/0x1c0
[  273.378178]  ? out_of_memory+0x974/0x1430
[  273.382342]  ? lock_downgrade+0x900/0x900
[  273.386488]  ? check_preemption_disabled+0x48/0x280
[  273.391521]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.396461]  ? kasan_check_read+0x11/0x20
[  273.400611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.405885]  ? rcu_softirq_qs+0x20/0x20
[  273.409859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.415406]  ? oom_evaluate_task+0x302/0x540
[  273.419819]  out_of_memory+0xa84/0x1430
[  273.423806]  ? oom_killer_disable+0x3a0/0x3a0
[  273.428296]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  273.433223]  ? __ww_mutex_check_waiters+0x160/0x160
[  273.438241]  __alloc_pages_slowpath+0x2354/0x2e10
[  273.443125]  ? warn_alloc+0x120/0x120
[  273.446919]  ? mark_held_locks+0x130/0x130
[  273.451152]  ? find_get_entry+0xaae/0x1120
[  273.455387]  ? filemap_map_pages+0x1a20/0x1a20
[  273.459984]  ? zap_class+0x640/0x640
[  273.463711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.469240]  ? check_preemption_disabled+0x48/0x280
[  273.474249]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.479779]  ? should_fail+0x22d/0xd01
[  273.483667]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.488763]  ? zap_class+0x640/0x640
[  273.492496]  ? __lock_is_held+0xb5/0x140
[  273.496559]  ? mark_held_locks+0x130/0x130
[  273.500788]  ? lock_release+0xa00/0xa00
[  273.504769]  ? perf_trace_sched_process_exec+0x860/0x860
[  273.510215]  ? xa_load+0x2ba/0x460
[  273.513780]  ? lock_downgrade+0x900/0x900
[  273.517934]  ? __might_sleep+0x95/0x190
[  273.521937]  __alloc_pages_nodemask+0xa80/0xde0
[  273.526624]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  273.531657]  ? __page_cache_alloc+0x191/0x5c0
[  273.536147]  ? xa_load+0x2e1/0x460
[  273.539687]  ? xa_clear_mark+0x40/0x40
[  273.543570]  ? zap_class+0x640/0x640
[  273.547303]  ? zap_class+0x640/0x640
[  273.551047]  ? zap_class+0x640/0x640
[  273.554761]  ? __do_page_cache_readahead+0x663/0x810
[  273.559885]  ? find_held_lock+0x36/0x1c0
[  273.563961]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  273.569499]  alloc_pages_current+0x173/0x350
[  273.573910]  __page_cache_alloc+0x38c/0x5c0
[  273.578225]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.583175]  ? kasan_check_read+0x11/0x20
[  273.587327]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.592602]  ? generic_perform_write+0x6a0/0x6a0
[  273.597442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.602977]  ? check_preemption_disabled+0x48/0x280
[  273.608009]  filemap_fault+0x1595/0x25f0
[  273.612085]  ? __lock_page_or_retry+0xa00/0xa00
[  273.616760]  ? mark_held_locks+0x130/0x130
[  273.620997]  ? filemap_map_pages+0xd6b/0x1a20
[  273.625491]  ? lock_downgrade+0x900/0x900
[  273.629645]  ? check_preemption_disabled+0x48/0x280
[  273.634657]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.639579]  ? kasan_check_read+0x11/0x20
[  273.643765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.649071]  ? rcu_softirq_qs+0x20/0x20
[  273.653070]  ? filemap_map_pages+0xd92/0x1a20
[  273.657615]  ? find_get_entries_tag+0x1400/0x1400
[  273.662461]  ? debug_object_destroy+0x2b0/0x2b0
[  273.667134]  ? lock_pi_update_atomic+0x150/0x150
[  273.671903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.677452]  ? lock_acquire+0x1ed/0x520
[  273.681426]  ? ext4_filemap_fault+0x7a/0xad
[  273.685788]  ? lock_release+0xa00/0xa00
[  273.689805]  ? perf_trace_sched_process_exec+0x860/0x860
[  273.695250]  ? print_usage_bug+0xc0/0xc0
[  273.699350]  ? print_usage_bug+0xc0/0xc0
[  273.703446]  ? down_read+0x8d/0x120
[  273.707106]  ? ext4_filemap_fault+0x7a/0xad
[  273.711426]  ? __down_interruptible+0x700/0x700
[  273.716137]  ext4_filemap_fault+0x82/0xad
[  273.720287]  __do_fault+0x100/0x6b0
[  273.723915]  ? pmd_devmap_trans_unstable+0x220/0x220
[  273.729017]  ? mark_held_locks+0x130/0x130
[  273.733251]  ? mark_held_locks+0x130/0x130
[  273.737487]  ? debug_smp_processor_id+0x1c/0x20
[  273.742174]  ? perf_trace_lock+0x14d/0x7a0
[  273.746440]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  273.752112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.757660]  __handle_mm_fault+0x3ea0/0x5be0
[  273.762112]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  273.766974]  ? lock_is_held_type+0x210/0x210
[  273.771391]  ? file_remove_privs+0x540/0x540
[  273.775813]  ? zap_class+0x640/0x640
[  273.779530]  ? zap_class+0x640/0x640
[  273.783260]  ? __x64_sys_futex+0x53e/0x6a0
[  273.787498]  ? find_held_lock+0x36/0x1c0
[  273.791565]  ? handle_mm_fault+0x42a/0xc70
[  273.795804]  ? lock_downgrade+0x900/0x900
[  273.799974]  ? check_preemption_disabled+0x48/0x280
[  273.804992]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.809922]  ? kasan_check_read+0x11/0x20
[  273.814068]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.819355]  ? rcu_softirq_qs+0x20/0x20
[  273.823333]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.828440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.833978]  ? check_preemption_disabled+0x48/0x280
[  273.838997]  handle_mm_fault+0x54f/0xc70
[  273.843060]  ? __handle_mm_fault+0x5be0/0x5be0
[  273.847669]  ? find_vma+0x34/0x190
[  273.851217]  __do_page_fault+0x5e8/0xe60
[  273.855303]  ? trace_hardirqs_off+0xb8/0x310
[  273.859718]  do_page_fault+0xf2/0x7e0
[  273.863520]  ? vmalloc_sync_all+0x30/0x30
[  273.867668]  ? error_entry+0x70/0xd0
[  273.871381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.876409]  ? trace_hardirqs_on_caller+0xc0/0x310
[  273.881350]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.886275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.891118]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.896165]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.901614]  ? prepare_exit_to_usermode+0x291/0x3b0
[  273.906626]  ? page_fault+0x8/0x30
[  273.910168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.915021]  ? page_fault+0x8/0x30
[  273.918567]  page_fault+0x1e/0x30
[  273.922014] RIP: 0033:0x40f9c0
[  273.925228] Code: Bad RIP value.
[  273.928601] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  273.933957] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  273.941239] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  273.948504] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  273.955770] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  273.963045] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  273.970347] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  273.970352] warn_alloc_show_mem: 1 callbacks suppressed
[  273.970359] Mem-Info:
[  273.977656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.983022] active_anon:50082 inactive_anon:201 isolated_anon:0
[  273.983022]  active_file:11 inactive_file:13 isolated_file:0
[  273.983022]  unevictable:0 dirty:0 writeback:0 unstable:0
[  273.983022]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  273.983022]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  273.983022]  free:13738 free_pcp:300 free_cma:0
[  273.985420] Call Trace:
[  273.994802] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  274.027686]  <IRQ>
[  274.030254] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  274.058003]  dump_stack+0x244/0x39d
[  274.060132] lowmem_reserve[]: 0 2818 6321 6321
[  274.086237]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.089838] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  274.094414]  warn_alloc.cold.116+0xb7/0x1bd
[  274.099586] lowmem_reserve[]: 0 0 3503 3503
[  274.127180]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.131473] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  274.135806]  ? lock_downgrade+0x900/0x900
[  274.140620] lowmem_reserve[]: 0 0 0 0
[  274.169526]  ? trace_hardirqs_off+0xb8/0x310
[  274.173643] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  274.177452]  ? trace_hardirqs_off+0xb8/0x310
[  274.181832] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  274.195374]  __alloc_pages_slowpath+0x26e8/0x2e10
[  274.199753] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  274.214846]  ? warn_alloc+0x120/0x120
[  274.219653] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  274.234199]  ? print_usage_bug+0xc0/0xc0
[  274.237978] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  274.246794]  ? warn_alloc+0x120/0x120
[  274.250831] 268 total pagecache pages
[  274.259392]  ? warn_alloc+0x120/0x120
[  274.263174] 0 pages in swap cache
[  274.266958]  ? print_usage_bug+0xc0/0xc0
[  274.270730] Swap cache stats: add 0, delete 0, find 0/0
[  274.274168]  ? kvm_clock_read+0x18/0x30
[  274.278201] Free swap  = 0kB
[  274.283577]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  274.287522] Total swap = 0kB
[  274.290534]  ? print_usage_bug+0xc0/0xc0
[  274.295536] 1965979 pages RAM
[  274.298544]  ? __lock_acquire+0x62f/0x4c20
[  274.302577] 0 pages HighMem/MovableOnly
[  274.305691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.309897] 342853 pages reserved
[  274.313862]  ? should_fail+0x22d/0xd01
[  274.319867] 0 pages cma reserved
[  274.323321]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.327256] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.330551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.335892] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.342295]  ? __lock_acquire+0x62f/0x4c20
[  274.347380] syz-fuzzer cpuset=/ mems_allowed=0
[  274.357618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.371485]  ? __lock_acquire+0x62f/0x4c20
[  274.375714]  ? should_fail+0x22d/0xd01
[  274.379597]  ? rcu_irq_exit+0x1a2/0x390
[  274.383575]  ? mark_held_locks+0x130/0x130
[  274.387875]  ? mark_held_locks+0x130/0x130
[  274.392155]  ? mark_held_locks+0xc7/0x130
[  274.396314]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  274.401328]  ? zap_class+0x640/0x640
[  274.405055]  ? print_usage_bug+0xc0/0xc0
[  274.409163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.414713]  ? check_preemption_disabled+0x48/0x280
[  274.419731]  ? __lock_is_held+0xb5/0x140
[  274.423803]  __alloc_pages_nodemask+0xa80/0xde0
[  274.428464]  ? zap_class+0x640/0x640
[  274.432183]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  274.437206]  ? find_held_lock+0x36/0x1c0
[  274.441285]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.445967]  ? lock_downgrade+0x900/0x900
[  274.450624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.456177]  cache_grow_begin+0xa5/0x8c0
[  274.460232]  ? do_raw_spin_unlock+0xa7/0x330
[  274.464644]  fallback_alloc+0x204/0x2e0
[  274.468674]  ____cache_alloc_node+0x1c7/0x1e0
[  274.473168]  kmem_cache_alloc_node+0xe3/0x730
[  274.477657]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.481897]  __alloc_skb+0x119/0x770
[  274.485618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.490894]  ? netdev_alloc_frag+0x1f0/0x1f0
[  274.495293]  ? lock_downgrade+0x900/0x900
[  274.499442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.504977]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.510450]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.515902]  ? addrconf_rs_timer+0x690/0x690
[  274.520318]  ndisc_alloc_skb+0x144/0x340
[  274.524393]  ndisc_send_rs+0x331/0x6e0
[  274.528282]  addrconf_rs_timer+0x314/0x690
[  274.532530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.536766]  call_timer_fn+0x272/0x920
[  274.540646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.544874]  ? process_timeout+0x40/0x40
[  274.548934]  ? __run_timers+0x7da/0xc70
[  274.552905]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.557427]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.561915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.566155]  ? lockdep_hardirqs_on+0x296/0x5b0
[  274.570752]  ? trace_hardirqs_on+0xbd/0x310
[  274.575075]  ? kasan_check_read+0x11/0x20
[  274.579252]  ? __run_timers+0x7da/0xc70
[  274.583235]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.588351]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.592607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.596837]  __run_timers+0x7e5/0xc70
[  274.600660]  ? timer_fixup_init+0x70/0x70
[  274.604802]  ? kasan_check_read+0x11/0x20
[  274.608942]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.614224]  ? rcu_softirq_qs+0x20/0x20
[  274.618200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.623735]  ? check_preemption_disabled+0x48/0x280
[  274.628752]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  274.633501]  ? retint_kernel+0x2d/0x2d
[  274.637439]  ? trace_hardirqs_on_caller+0xc0/0x310
[  274.642360]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  274.647128]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.652599]  ? zap_class+0x640/0x640
[  274.656329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.661874]  ? check_preemption_disabled+0x48/0x280
[  274.666892]  ? __lock_is_held+0xb5/0x140
[  274.670973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.676518]  ? check_preemption_disabled+0x48/0x280
[  274.681532]  run_timer_softirq+0x52/0xb0
[  274.685587]  ? rcu_read_lock_sched_held+0x14f/0x180
[  274.690617]  __do_softirq+0x308/0xb7e
[  274.694430]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  274.698919]  ? lock_downgrade+0x900/0x900
[  274.703061]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  274.708186]  ? pvclock_read_flags+0x160/0x160
[  274.712687]  ? lapic_next_event+0x5a/0x90
[  274.716839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.722379]  ? kvm_clock_read+0x18/0x30
[  274.726353]  ? kvm_sched_clock_read+0x9/0x20
[  274.730788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.736327]  ? check_preemption_disabled+0x48/0x280
[  274.741352]  irq_exit+0x17f/0x1c0
[  274.744809]  smp_apic_timer_interrupt+0x1cb/0x760
[  274.749669]  ? smp_reschedule_interrupt+0x109/0x650
[  274.754685]  ? smp_call_function_single_interrupt+0x650/0x650
[  274.760566]  ? interrupt_entry+0xb5/0xc0
[  274.764630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.769644]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.774664]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.779521]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.784536]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.789552]  ? task_prio+0x50/0x50
[  274.793102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.798642]  ? check_preemption_disabled+0x48/0x280
[  274.803662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.808512]  apic_timer_interrupt+0xf/0x20
[  274.812755]  </IRQ>
[  274.815000] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  274.819927] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  274.838822] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  274.846523] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  274.853801] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  274.861063] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  274.868332] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  274.875597] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  274.882890]  skb_clone+0x1bb/0x500
[  274.886428]  ? finish_task_switch+0x1b4/0x910
[  274.890934]  ? skb_split+0x11e0/0x11e0
[  274.894835]  ? preempt_notifier_register+0x200/0x200
[  274.899961]  ? __switch_to_asm+0x34/0x70
[  274.904017]  ? __switch_to_asm+0x34/0x70
[  274.908069]  ? __switch_to_asm+0x40/0x70
[  274.912146]  ? __switch_to_asm+0x34/0x70
[  274.916199]  ? __switch_to_asm+0x40/0x70
[  274.920264]  ? __switch_to_asm+0x34/0x70
[  274.924323]  ? __switch_to_asm+0x40/0x70
[  274.928381]  ? __switch_to_asm+0x34/0x70
[  274.932483]  ? __switch_to_asm+0x34/0x70
[  274.936554]  ? __switch_to_asm+0x40/0x70
[  274.940611]  ? __switch_to_asm+0x34/0x70
[  274.944674]  bpf_clone_redirect+0xb9/0x490
[  274.948913]  ? __schedule+0x8d7/0x21d0
[  274.952821]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  274.957879]  ? __sched_text_start+0x8/0x8
[  274.962054]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  274.966640]  ? retint_kernel+0x2d/0x2d
[  274.970530]  ? trace_hardirqs_on_caller+0xc0/0x310
[  274.975467]  ? find_held_lock+0x36/0x1c0
[  274.979562]  ? lock_acquire+0x1ed/0x520
[  274.983539]  ? bpf_test_run+0x3cb/0x780
[  274.987545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.993143]  ? check_preemption_disabled+0x48/0x280
[  274.998167]  ? kasan_check_read+0x11/0x20
[  275.002316]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.007611]  ? rcu_softirq_qs+0x20/0x20
[  275.011603]  ? preempt_schedule+0x4d/0x60
[  275.015753]  ? ___preempt_schedule+0x16/0x18
[  275.020172]  ? bpf_test_run+0x25d/0x780
[  275.024160]  ? netlink_diag_dump+0x2a0/0x2a0
[  275.028569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.034119]  ? bpf_test_init.isra.10+0x70/0x100
[  275.038803]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  275.043622]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  275.048491]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  275.054028]  ? fput+0x130/0x1a0
[  275.057325]  ? __bpf_prog_get+0x9b/0x290
[  275.061387]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  275.066223]  ? bpf_prog_test_run+0x130/0x1a0
[  275.070628]  ? __x64_sys_bpf+0x3d8/0x520
[  275.074685]  ? bpf_prog_get+0x20/0x20
[  275.078512]  ? do_syscall_64+0x1b9/0x820
[  275.082566]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  275.087930]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.092854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.097708]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.102734]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  275.107791]  ? prepare_exit_to_usermode+0x291/0x3b0
[  275.112807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.117662]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  275.123037] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  275.123123] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.129975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.129980] Call Trace:
[  275.129985]  <IRQ>
[  275.130001]  dump_stack+0x244/0x39d
[  275.130020]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.136595] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.145845]  warn_alloc.cold.116+0xb7/0x1bd
[  275.148410] syz-executor3 cpuset=syz3 mems_allowed=0
[  275.150548]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.184014]  ? lock_downgrade+0x900/0x900
[  275.188169]  ? trace_hardirqs_off+0xb8/0x310
[  275.192583]  ? trace_hardirqs_off+0xb8/0x310
[  275.196993]  __alloc_pages_slowpath+0x26e8/0x2e10
[  275.201858]  ? warn_alloc+0x120/0x120
[  275.205655]  ? print_usage_bug+0xc0/0xc0
[  275.209720]  ? warn_alloc+0x120/0x120
[  275.213549]  ? warn_alloc+0x120/0x120
[  275.217361]  ? print_usage_bug+0xc0/0xc0
[  275.221431]  ? kvm_clock_read+0x18/0x30
[  275.225430]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  275.230445]  ? print_usage_bug+0xc0/0xc0
[  275.234502]  ? __lock_acquire+0x62f/0x4c20
[  275.238734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.244299]  ? should_fail+0x22d/0xd01
[  275.248206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.253487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.258598]  ? __lock_acquire+0x62f/0x4c20
[  275.262832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.267937]  ? __lock_acquire+0x62f/0x4c20
[  275.272172]  ? should_fail+0x22d/0xd01
[  275.276049]  ? rcu_irq_exit+0x1a2/0x390
[  275.280046]  ? mark_held_locks+0x130/0x130
[  275.284281]  ? mark_held_locks+0x130/0x130
[  275.288519]  ? mark_held_locks+0xc7/0x130
[  275.292664]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  275.297680]  ? zap_class+0x640/0x640
[  275.301425]  ? print_usage_bug+0xc0/0xc0
[  275.305502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.311051]  ? check_preemption_disabled+0x48/0x280
[  275.316139]  ? __lock_is_held+0xb5/0x140
[  275.320211]  __alloc_pages_nodemask+0xa80/0xde0
[  275.324879]  ? zap_class+0x640/0x640
[  275.328599]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  275.333622]  ? find_held_lock+0x36/0x1c0
[  275.337691]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.342360]  ? lock_downgrade+0x900/0x900
[  275.346521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.352108]  cache_grow_begin+0xa5/0x8c0
[  275.356171]  ? do_raw_spin_unlock+0xa7/0x330
[  275.360587]  fallback_alloc+0x204/0x2e0
[  275.364568]  ____cache_alloc_node+0x1c7/0x1e0
[  275.369087]  kmem_cache_alloc_node+0xe3/0x730
[  275.373598]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.377834]  __alloc_skb+0x119/0x770
[  275.381544]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.386820]  ? netdev_alloc_frag+0x1f0/0x1f0
[  275.391259]  ? lock_downgrade+0x900/0x900
[  275.395425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.400956]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.406435]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.411898]  ? addrconf_rs_timer+0x690/0x690
[  275.416313]  ndisc_alloc_skb+0x144/0x340
[  275.420385]  ndisc_send_rs+0x331/0x6e0
[  275.424275]  addrconf_rs_timer+0x314/0x690
[  275.428527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.432783]  call_timer_fn+0x272/0x920
[  275.436673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.440902]  ? process_timeout+0x40/0x40
[  275.444975]  ? mark_held_locks+0xc7/0x130
[  275.449127]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.453616]  ? _raw_spin_unlock_irq+0x27/0x80
[  275.458130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.462400]  ? lockdep_hardirqs_on+0x296/0x5b0
[  275.466974]  ? trace_hardirqs_on+0xbd/0x310
[  275.471286]  ? kasan_check_read+0x11/0x20
[  275.475459]  ? __run_timers+0x7da/0xc70
[  275.479429]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.484546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.488778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.493018]  __run_timers+0x7e5/0xc70
[  275.496817]  ? timer_fixup_init+0x70/0x70
[  275.500962]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  275.505970]  ? zap_class+0x640/0x640
[  275.509683]  ? print_usage_bug+0xc0/0xc0
[  275.513741]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  275.518950]  ? find_held_lock+0x36/0x1c0
[  275.523012]  ? zap_class+0x640/0x640
[  275.526738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.532271]  ? check_preemption_disabled+0x48/0x280
[  275.537291]  ? __lock_is_held+0xb5/0x140
[  275.541350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.546899]  ? check_preemption_disabled+0x48/0x280
[  275.551920]  run_timer_softirq+0x52/0xb0
[  275.555982]  ? rcu_read_lock_sched_held+0x14f/0x180
[  275.560995]  __do_softirq+0x308/0xb7e
[  275.564794]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  275.569285]  ? lock_downgrade+0x900/0x900
[  275.573486]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  275.578595]  ? pvclock_read_flags+0x160/0x160
[  275.583103]  ? lapic_next_event+0x5a/0x90
[  275.587249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.592786]  ? kvm_clock_read+0x18/0x30
[  275.596757]  ? kvm_sched_clock_read+0x9/0x20
[  275.601163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.606731]  ? check_preemption_disabled+0x48/0x280
[  275.611756]  irq_exit+0x17f/0x1c0
[  275.615231]  smp_apic_timer_interrupt+0x1cb/0x760
[  275.620112]  ? smp_reschedule_interrupt+0x109/0x650
[  275.625150]  ? smp_call_function_single_interrupt+0x650/0x650
[  275.631043]  ? interrupt_entry+0xb5/0xc0
[  275.635109]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.640121]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.645138]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.650088]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.655119]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.660147]  ? task_prio+0x50/0x50
[  275.663714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.669260]  ? check_preemption_disabled+0x48/0x280
[  275.674303]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.679148]  apic_timer_interrupt+0xf/0x20
[  275.683387]  </IRQ>
[  275.685625] RIP: 0010:dump_stack+0x358/0x39d
[  275.690044] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  275.708950] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  275.716662] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  275.723954] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  275.731223] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  275.738499] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  275.745759] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  275.753038]  ? dump_stack+0x34f/0x39d
[  275.756849]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.762037]  ? mark_held_locks+0x130/0x130
[  275.766273]  ? mark_held_locks+0x130/0x130
[  275.770523]  dump_header+0x27b/0xf72
[  275.774249]  ? pagefault_out_of_memory+0x197/0x197
[  275.779215]  ? __lock_acquire+0x62f/0x4c20
[  275.783496]  ? percpu_ref_get_many+0x240/0x240
[  275.788085]  ? print_usage_bug+0xc0/0xc0
[  275.792171]  ? zap_class+0x640/0x640
[  275.795901]  ? print_usage_bug+0xc0/0xc0
[  275.799957]  ? print_usage_bug+0xc0/0xc0
[  275.804015]  ? zap_class+0x640/0x640
[  275.807729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.813281]  ? find_held_lock+0x36/0x1c0
[  275.817366]  ? mark_held_locks+0xc7/0x130
[  275.821518]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  275.826618]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  275.831721]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  275.836310]  ? trace_hardirqs_on+0xbd/0x310
[  275.840633]  ? kasan_check_read+0x11/0x20
[  275.844782]  ? ___ratelimit+0x3b4/0x672
[  275.848755]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.853863]  ? trace_hardirqs_on+0x310/0x310
[  275.858271]  ? lock_downgrade+0x900/0x900
[  275.862424]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.867538]  ? ___ratelimit+0x3b9/0x672
[  275.871510]  ? idr_get_free+0xf70/0xf70
[  275.875495]  ? find_held_lock+0x36/0x1c0
[  275.879562]  oom_kill_process.cold.27+0x10/0x903
[  275.884333]  ? zap_class+0x640/0x640
[  275.888044]  ? check_preemption_disabled+0x48/0x280
[  275.893060]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.897995]  ? kasan_check_read+0x11/0x20
[  275.902140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.907428]  ? oom_evaluate_task+0x540/0x540
[  275.911832]  ? find_held_lock+0x36/0x1c0
[  275.915897]  ? out_of_memory+0x974/0x1430
[  275.920040]  ? lock_downgrade+0x900/0x900
[  275.924186]  ? check_preemption_disabled+0x48/0x280
[  275.929232]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.934175]  ? kasan_check_read+0x11/0x20
[  275.938317]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.943589]  ? rcu_softirq_qs+0x20/0x20
[  275.947564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.953122]  ? oom_evaluate_task+0x302/0x540
[  275.957529]  out_of_memory+0xa84/0x1430
[  275.961519]  ? oom_killer_disable+0x3a0/0x3a0
[  275.966013]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  275.970941]  ? __ww_mutex_check_waiters+0x160/0x160
[  275.975967]  __alloc_pages_slowpath+0x2354/0x2e10
[  275.980859]  ? warn_alloc+0x120/0x120
[  275.984652]  ? mark_held_locks+0x130/0x130
[  275.988893]  ? find_get_entry+0xaae/0x1120
[  275.993148]  ? filemap_map_pages+0x1a20/0x1a20
[  275.997753]  ? zap_class+0x640/0x640
[  276.001473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.007007]  ? check_preemption_disabled+0x48/0x280
[  276.012018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.017550]  ? should_fail+0x22d/0xd01
[  276.021434]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.026534]  ? zap_class+0x640/0x640
[  276.030272]  ? __lock_is_held+0xb5/0x140
[  276.034361]  ? mark_held_locks+0x130/0x130
[  276.038672]  ? lock_release+0xa00/0xa00
[  276.042661]  ? perf_trace_sched_process_exec+0x860/0x860
[  276.048133]  ? xa_load+0x2ba/0x460
[  276.051674]  ? lock_downgrade+0x900/0x900
[  276.055839]  ? __might_sleep+0x95/0x190
[  276.059814]  __alloc_pages_nodemask+0xa80/0xde0
[  276.064498]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  276.069527]  ? __page_cache_alloc+0x191/0x5c0
[  276.074016]  ? xa_load+0x2e1/0x460
[  276.077564]  ? xa_clear_mark+0x40/0x40
[  276.081449]  ? zap_class+0x640/0x640
[  276.085172]  ? zap_class+0x640/0x640
[  276.088906]  ? zap_class+0x640/0x640
[  276.092620]  ? __do_page_cache_readahead+0x663/0x810
[  276.097732]  ? find_held_lock+0x36/0x1c0
[  276.101794]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  276.107345]  alloc_pages_current+0x173/0x350
[  276.111779]  __page_cache_alloc+0x38c/0x5c0
[  276.116116]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.121059]  ? kasan_check_read+0x11/0x20
[  276.125208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.130484]  ? generic_perform_write+0x6a0/0x6a0
[  276.135261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.140794]  ? check_preemption_disabled+0x48/0x280
[  276.145843]  filemap_fault+0x1595/0x25f0
[  276.149911]  ? __lock_page_or_retry+0xa00/0xa00
[  276.154577]  ? mark_held_locks+0x130/0x130
[  276.158813]  ? filemap_map_pages+0xd6b/0x1a20
[  276.163305]  ? lock_downgrade+0x900/0x900
[  276.167450]  ? check_preemption_disabled+0x48/0x280
[  276.172477]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.177444]  ? kasan_check_read+0x11/0x20
[  276.181584]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.186859]  ? rcu_softirq_qs+0x20/0x20
[  276.190868]  ? filemap_map_pages+0xd92/0x1a20
[  276.195399]  ? find_get_entries_tag+0x1400/0x1400
[  276.200238]  ? debug_object_destroy+0x2b0/0x2b0
[  276.204920]  ? lock_pi_update_atomic+0x150/0x150
[  276.209670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.215231]  ? lock_acquire+0x1ed/0x520
[  276.219230]  ? ext4_filemap_fault+0x7a/0xad
[  276.223556]  ? lock_release+0xa00/0xa00
[  276.227557]  ? perf_trace_sched_process_exec+0x860/0x860
[  276.233000]  ? print_usage_bug+0xc0/0xc0
[  276.237058]  ? print_usage_bug+0xc0/0xc0
[  276.241144]  ? down_read+0x8d/0x120
[  276.244760]  ? ext4_filemap_fault+0x7a/0xad
[  276.249085]  ? __down_interruptible+0x700/0x700
[  276.253761]  ext4_filemap_fault+0x82/0xad
[  276.257919]  __do_fault+0x100/0x6b0
[  276.261571]  ? pmd_devmap_trans_unstable+0x220/0x220
[  276.266699]  ? mark_held_locks+0x130/0x130
[  276.270933]  ? mark_held_locks+0x130/0x130
[  276.275174]  ? debug_smp_processor_id+0x1c/0x20
[  276.279836]  ? perf_trace_lock+0x14d/0x7a0
[  276.284067]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  276.289714]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.295279]  __handle_mm_fault+0x3ea0/0x5be0
[  276.299708]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  276.304577]  ? lock_is_held_type+0x210/0x210
[  276.309000]  ? file_remove_privs+0x540/0x540
[  276.313418]  ? zap_class+0x640/0x640
[  276.317585]  ? zap_class+0x640/0x640
[  276.321296]  ? __x64_sys_futex+0x53e/0x6a0
[  276.325538]  ? find_held_lock+0x36/0x1c0
[  276.329607]  ? handle_mm_fault+0x42a/0xc70
[  276.333844]  ? lock_downgrade+0x900/0x900
[  276.337988]  ? check_preemption_disabled+0x48/0x280
[  276.343005]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  276.347931]  ? kasan_check_read+0x11/0x20
[  276.352073]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.357361]  ? rcu_softirq_qs+0x20/0x20
[  276.361363]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.366464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.371995]  ? check_preemption_disabled+0x48/0x280
[  276.377014]  handle_mm_fault+0x54f/0xc70
[  276.381108]  ? __handle_mm_fault+0x5be0/0x5be0
[  276.385694]  ? find_vma+0x34/0x190
[  276.389236]  __do_page_fault+0x5e8/0xe60
[  276.393311]  ? trace_hardirqs_off+0xb8/0x310
[  276.397744]  do_page_fault+0xf2/0x7e0
[  276.401558]  ? vmalloc_sync_all+0x30/0x30
[  276.405717]  ? error_entry+0x70/0xd0
[  276.409461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.414469]  ? trace_hardirqs_on_caller+0xc0/0x310
[  276.419397]  ? syscall_return_slowpath+0x5e0/0x5e0
[  276.424339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.429192]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.434211]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  276.439663]  ? prepare_exit_to_usermode+0x291/0x3b0
[  276.444674]  ? page_fault+0x8/0x30
[  276.448282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.453117]  ? page_fault+0x8/0x30
[  276.456651]  page_fault+0x1e/0x30
[  276.460145] RIP: 0033:0x40f9c0
[  276.463365] Code: Bad RIP value.
[  276.466751] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  276.472110] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  276.479389] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  276.486652] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  276.493914] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  276.501191] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  276.508474] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  276.508478] warn_alloc_show_mem: 1 callbacks suppressed
[  276.508485] Mem-Info:
[  276.515662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  276.521022] active_anon:50082 inactive_anon:201 isolated_anon:0
[  276.521022]  active_file:11 inactive_file:13 isolated_file:0
[  276.521022]  unevictable:0 dirty:0 writeback:0 unstable:0
[  276.521022]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  276.521022]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  276.521022]  free:13738 free_pcp:300 free_cma:0
[  276.523423] Call Trace:
[  276.532801] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  276.565655]  <IRQ>
[  276.568220] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  276.595709]  dump_stack+0x244/0x39d
[  276.597831] lowmem_reserve[]: 0 2818 6321 6321
[  276.623931]  ? dump_stack_print_info.cold.1+0x20/0x20
[  276.627539] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  276.632135]  warn_alloc.cold.116+0xb7/0x1bd
[  276.637290] lowmem_reserve[]: 0 0 3503 3503
[  276.664863]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.669160] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  276.673472]  ? lock_downgrade+0x900/0x900
[  276.678288] lowmem_reserve[]: 0 0 0 0
[  276.707192]  ? trace_hardirqs_off+0xb8/0x310
[  276.711317] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  276.715140]  ? trace_hardirqs_off+0xb8/0x310
[  276.719534] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  276.733053]  __alloc_pages_slowpath+0x26e8/0x2e10
[  276.737431] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  276.752527]  ? warn_alloc+0x120/0x120
[  276.757343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  276.771917]  ? print_usage_bug+0xc0/0xc0
[  276.775726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  276.784547]  ? warn_alloc+0x120/0x120
[  276.788584] 268 total pagecache pages
[  276.797170]  ? warn_alloc+0x120/0x120
[  276.800950] 0 pages in swap cache
[  276.804734]  ? print_usage_bug+0xc0/0xc0
[  276.808531] Swap cache stats: add 0, delete 0, find 0/0
[  276.811984]  ? kvm_clock_read+0x18/0x30
[  276.816022] Free swap  = 0kB
[  276.821377]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  276.825342] Total swap = 0kB
[  276.828368]  ? print_usage_bug+0xc0/0xc0
[  276.833358] 1965979 pages RAM
[  276.836396]  ? __lock_acquire+0x62f/0x4c20
[  276.840428] 0 pages HighMem/MovableOnly
[  276.843522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.847727] 342853 pages reserved
[  276.851687]  ? should_fail+0x22d/0xd01
[  276.857216] 0 pages cma reserved
[  276.860670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.864601] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.867894]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.873233] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.879636]  ? __lock_acquire+0x62f/0x4c20
[  276.884709] syz-fuzzer cpuset=/ mems_allowed=0
[  276.894919]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.908775]  ? __lock_acquire+0x62f/0x4c20
[  276.913032]  ? should_fail+0x22d/0xd01
[  276.916952]  ? rcu_irq_exit+0x1a2/0x390
[  276.920931]  ? mark_held_locks+0x130/0x130
[  276.925170]  ? mark_held_locks+0x130/0x130
[  276.929425]  ? mark_held_locks+0xc7/0x130
[  276.933569]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  276.938583]  ? zap_class+0x640/0x640
[  276.942298]  ? print_usage_bug+0xc0/0xc0
[  276.946391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.951946]  ? check_preemption_disabled+0x48/0x280
[  276.956969]  ? __lock_is_held+0xb5/0x140
[  276.961030]  __alloc_pages_nodemask+0xa80/0xde0
[  276.965708]  ? zap_class+0x640/0x640
[  276.969424]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  276.974461]  ? find_held_lock+0x36/0x1c0
[  276.978531]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.983213]  ? lock_downgrade+0x900/0x900
[  276.987383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.992922]  cache_grow_begin+0xa5/0x8c0
[  276.996974]  ? do_raw_spin_unlock+0xa7/0x330
[  277.001392]  fallback_alloc+0x204/0x2e0
[  277.005382]  ____cache_alloc_node+0x1c7/0x1e0
[  277.009908]  kmem_cache_alloc_node+0xe3/0x730
[  277.014404]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.018674]  __alloc_skb+0x119/0x770
[  277.022399]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.027700]  ? netdev_alloc_frag+0x1f0/0x1f0
[  277.032109]  ? lock_downgrade+0x900/0x900
[  277.036266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.041831]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.047294]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.052767]  ? addrconf_rs_timer+0x690/0x690
[  277.057196]  ndisc_alloc_skb+0x144/0x340
[  277.061257]  ndisc_send_rs+0x331/0x6e0
[  277.065171]  addrconf_rs_timer+0x314/0x690
[  277.069433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.073685]  call_timer_fn+0x272/0x920
[  277.077573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.081809]  ? process_timeout+0x40/0x40
[  277.085868]  ? __run_timers+0x7da/0xc70
[  277.089836]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.094337]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.098821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.103046]  ? lockdep_hardirqs_on+0x296/0x5b0
[  277.107638]  ? trace_hardirqs_on+0xbd/0x310
[  277.111951]  ? kasan_check_read+0x11/0x20
[  277.116095]  ? __run_timers+0x7da/0xc70
[  277.120063]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.125194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.129429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.133658]  __run_timers+0x7e5/0xc70
[  277.137486]  ? timer_fixup_init+0x70/0x70
[  277.141632]  ? kasan_check_read+0x11/0x20
[  277.145776]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.151052]  ? rcu_softirq_qs+0x20/0x20
[  277.155045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.160631]  ? check_preemption_disabled+0x48/0x280
[  277.165647]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  277.170424]  ? retint_kernel+0x2d/0x2d
[  277.174307]  ? trace_hardirqs_on_caller+0xc0/0x310
[  277.179233]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  277.183997]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.189448]  ? zap_class+0x640/0x640
[  277.193164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.198695]  ? check_preemption_disabled+0x48/0x280
[  277.203710]  ? __lock_is_held+0xb5/0x140
[  277.207783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.213344]  ? check_preemption_disabled+0x48/0x280
[  277.218426]  run_timer_softirq+0x52/0xb0
[  277.222499]  ? rcu_read_lock_sched_held+0x14f/0x180
[  277.227529]  __do_softirq+0x308/0xb7e
[  277.231333]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  277.235839]  ? lock_downgrade+0x900/0x900
[  277.240013]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  277.245135]  ? pvclock_read_flags+0x160/0x160
[  277.249892]  ? lapic_next_event+0x5a/0x90
[  277.254057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.259623]  ? kvm_clock_read+0x18/0x30
[  277.263634]  ? kvm_sched_clock_read+0x9/0x20
[  277.268070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.273651]  ? check_preemption_disabled+0x48/0x280
[  277.278685]  irq_exit+0x17f/0x1c0
[  277.282154]  smp_apic_timer_interrupt+0x1cb/0x760
[  277.287011]  ? smp_reschedule_interrupt+0x109/0x650
[  277.292074]  ? smp_call_function_single_interrupt+0x650/0x650
[  277.297969]  ? interrupt_entry+0xb5/0xc0
[  277.302032]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.307052]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.312072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.316929]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.321962]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.326981]  ? task_prio+0x50/0x50
[  277.330534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.336070]  ? check_preemption_disabled+0x48/0x280
[  277.341109]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.345972]  apic_timer_interrupt+0xf/0x20
[  277.350210]  </IRQ>
[  277.352506] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  277.357451] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  277.376361] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  277.384093] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  277.391375] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  277.398672] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  277.405951] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  277.413225] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  277.420523]  skb_clone+0x1bb/0x500
[  277.424065]  ? finish_task_switch+0x1b4/0x910
[  277.428570]  ? skb_split+0x11e0/0x11e0
[  277.432467]  ? preempt_notifier_register+0x200/0x200
[  277.437565]  ? __switch_to_asm+0x34/0x70
[  277.441626]  ? __switch_to_asm+0x34/0x70
[  277.445686]  ? __switch_to_asm+0x40/0x70
[  277.449746]  ? __switch_to_asm+0x34/0x70
[  277.453823]  ? __switch_to_asm+0x40/0x70
[  277.457880]  ? __switch_to_asm+0x34/0x70
[  277.462015]  ? __switch_to_asm+0x40/0x70
[  277.466095]  ? __switch_to_asm+0x34/0x70
[  277.470169]  ? __switch_to_asm+0x34/0x70
[  277.474228]  ? __switch_to_asm+0x40/0x70
[  277.478294]  ? __switch_to_asm+0x34/0x70
[  277.482380]  bpf_clone_redirect+0xb9/0x490
[  277.486637]  ? __schedule+0x8d7/0x21d0
[  277.490530]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  277.495550]  ? __sched_text_start+0x8/0x8
[  277.499700]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  277.504276]  ? retint_kernel+0x2d/0x2d
[  277.508176]  ? trace_hardirqs_on_caller+0xc0/0x310
[  277.513136]  ? find_held_lock+0x36/0x1c0
[  277.517226]  ? lock_acquire+0x1ed/0x520
[  277.521206]  ? bpf_test_run+0x3cb/0x780
[  277.525190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.530730]  ? check_preemption_disabled+0x48/0x280
[  277.535751]  ? kasan_check_read+0x11/0x20
[  277.539904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.545186]  ? rcu_softirq_qs+0x20/0x20
[  277.549179]  ? preempt_schedule+0x4d/0x60
[  277.553348]  ? ___preempt_schedule+0x16/0x18
[  277.557756]  ? bpf_test_run+0x25d/0x780
[  277.561752]  ? netlink_diag_dump+0x2a0/0x2a0
[  277.566180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.571741]  ? bpf_test_init.isra.10+0x70/0x100
[  277.576425]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  277.581212]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  277.586068]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  277.591623]  ? fput+0x130/0x1a0
[  277.594908]  ? __bpf_prog_get+0x9b/0x290
[  277.598975]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  277.603818]  ? bpf_prog_test_run+0x130/0x1a0
[  277.608235]  ? __x64_sys_bpf+0x3d8/0x520
[  277.612303]  ? bpf_prog_get+0x20/0x20
[  277.616136]  ? do_syscall_64+0x1b9/0x820
[  277.620202]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  277.625621]  ? syscall_return_slowpath+0x5e0/0x5e0
[  277.630551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.635406]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.640427]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  277.645449]  ? prepare_exit_to_usermode+0x291/0x3b0
[  277.650473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.655327]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  277.660729] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  277.660815] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.667659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  277.667665] Call Trace:
[  277.667672]  <IRQ>
[  277.667691]  dump_stack+0x244/0x39d
[  277.667709]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.674300] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.683564]  warn_alloc.cold.116+0xb7/0x1bd
[  277.686137] syz-executor3 cpuset=syz3 mems_allowed=0
[  277.688288]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  277.721853]  ? lock_downgrade+0x900/0x900
[  277.726007]  ? trace_hardirqs_off+0xb8/0x310
[  277.730438]  ? trace_hardirqs_off+0xb8/0x310
[  277.734858]  __alloc_pages_slowpath+0x26e8/0x2e10
[  277.739735]  ? warn_alloc+0x120/0x120
[  277.743536]  ? print_usage_bug+0xc0/0xc0
[  277.747601]  ? warn_alloc+0x120/0x120
[  277.751423]  ? warn_alloc+0x120/0x120
[  277.755236]  ? print_usage_bug+0xc0/0xc0
[  277.759304]  ? print_usage_bug+0xc0/0xc0
[  277.763369]  ? __lock_acquire+0x62f/0x4c20
[  277.767644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.773233]  ? should_fail+0x22d/0xd01
[  277.777128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.782268]  ? __lock_acquire+0x62f/0x4c20
[  277.786508]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.791605]  ? __lock_acquire+0x62f/0x4c20
[  277.795856]  ? should_fail+0x22d/0xd01
[  277.799739]  ? find_held_lock+0x36/0x1c0
[  277.803816]  ? mark_held_locks+0x130/0x130
[  277.808066]  ? mark_held_locks+0x130/0x130
[  277.812387]  ? zap_class+0x640/0x640
[  277.816112]  ? zap_class+0x640/0x640
[  277.819829]  ? print_usage_bug+0xc0/0xc0
[  277.823885]  ? do_raw_spin_unlock+0xa7/0x330
[  277.828315]  ? zap_class+0x640/0x640
[  277.832028]  ? print_usage_bug+0xc0/0xc0
[  277.836097]  ? wq_watchdog_touch+0x9c/0xfe
[  277.840333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.845892]  ? check_preemption_disabled+0x48/0x280
[  277.850916]  ? __lock_is_held+0xb5/0x140
[  277.854994]  __alloc_pages_nodemask+0xa80/0xde0
[  277.859659]  ? zap_class+0x640/0x640
[  277.863372]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  277.868430]  ? find_held_lock+0x36/0x1c0
[  277.872508]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.877202]  ? lock_downgrade+0x900/0x900
[  277.881354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.886899]  cache_grow_begin+0xa5/0x8c0
[  277.890961]  ? do_raw_spin_unlock+0xa7/0x330
[  277.895377]  fallback_alloc+0x204/0x2e0
[  277.899367]  ____cache_alloc_node+0x1c7/0x1e0
[  277.903865]  kmem_cache_alloc_node+0xe3/0x730
[  277.908378]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.912663]  __alloc_skb+0x119/0x770
[  277.916395]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.921673]  ? netdev_alloc_frag+0x1f0/0x1f0
[  277.926120]  ? lock_downgrade+0x900/0x900
[  277.930306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.935881]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.941368]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.946831]  ? addrconf_rs_timer+0x690/0x690
[  277.951247]  ndisc_alloc_skb+0x144/0x340
[  277.955338]  ndisc_send_rs+0x331/0x6e0
[  277.959272]  addrconf_rs_timer+0x314/0x690
[  277.963510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.967767]  call_timer_fn+0x272/0x920
[  277.971696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.975945]  ? process_timeout+0x40/0x40
[  277.980013]  ? mark_held_locks+0xc7/0x130
[  277.984165]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.988739]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.993238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.997486]  ? lockdep_hardirqs_on+0x296/0x5b0
[  278.002074]  ? trace_hardirqs_on+0xbd/0x310
[  278.006411]  ? kasan_check_read+0x11/0x20
[  278.010572]  ? __run_timers+0x7da/0xc70
[  278.014584]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.019699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.023940]  __run_timers+0x7e5/0xc70
[  278.027752]  ? timer_fixup_init+0x70/0x70
[  278.031907]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  278.036932]  ? zap_class+0x640/0x640
[  278.040656]  ? print_usage_bug+0xc0/0xc0
[  278.044734]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  278.049951]  ? find_held_lock+0x36/0x1c0
[  278.054020]  ? zap_class+0x640/0x640
[  278.057743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.063310]  ? check_preemption_disabled+0x48/0x280
[  278.068368]  ? __lock_is_held+0xb5/0x140
[  278.072440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.077982]  ? check_preemption_disabled+0x48/0x280
[  278.083063]  run_timer_softirq+0x52/0xb0
[  278.087138]  ? rcu_read_lock_sched_held+0x14f/0x180
[  278.092184]  __do_softirq+0x308/0xb7e
[  278.095980]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  278.100480]  ? lock_downgrade+0x900/0x900
[  278.104659]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  278.109773]  ? pvclock_read_flags+0x160/0x160
[  278.114275]  ? lapic_next_event+0x5a/0x90
[  278.118446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.124005]  ? kvm_clock_read+0x18/0x30
[  278.127980]  ? kvm_sched_clock_read+0x9/0x20
[  278.132390]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.137924]  ? check_preemption_disabled+0x48/0x280
[  278.142976]  irq_exit+0x17f/0x1c0
[  278.146425]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.151362]  ? smp_reschedule_interrupt+0x109/0x650
[  278.156411]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.162323]  ? interrupt_entry+0xb5/0xc0
[  278.166383]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.171409]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.176426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.181265]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.186274]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.191285]  ? task_prio+0x50/0x50
[  278.194825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.200371]  ? check_preemption_disabled+0x48/0x280
[  278.205426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.210318]  apic_timer_interrupt+0xf/0x20
[  278.214585]  </IRQ>
[  278.216839] RIP: 0010:dump_stack+0x358/0x39d
[  278.221278] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  278.240194] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  278.247931] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  278.255224] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  278.262502] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  278.269771] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  278.277037] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  278.284397]  ? dump_stack+0x34f/0x39d
[  278.288265]  ? dump_stack_print_info.cold.1+0x20/0x20
[  278.293456]  ? mark_held_locks+0x130/0x130
[  278.297694]  ? mark_held_locks+0x130/0x130
[  278.301935]  dump_header+0x27b/0xf72
[  278.305658]  ? pagefault_out_of_memory+0x197/0x197
[  278.310598]  ? __lock_acquire+0x62f/0x4c20
[  278.314848]  ? percpu_ref_get_many+0x240/0x240
[  278.320035]  ? print_usage_bug+0xc0/0xc0
[  278.324114]  ? zap_class+0x640/0x640
[  278.327826]  ? print_usage_bug+0xc0/0xc0
[  278.331912]  ? print_usage_bug+0xc0/0xc0
[  278.335971]  ? zap_class+0x640/0x640
[  278.339702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.345243]  ? find_held_lock+0x36/0x1c0
[  278.349317]  ? mark_held_locks+0xc7/0x130
[  278.353509]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  278.358626]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  278.363739]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  278.368316]  ? trace_hardirqs_on+0xbd/0x310
[  278.372637]  ? kasan_check_read+0x11/0x20
[  278.376780]  ? ___ratelimit+0x3b4/0x672
[  278.380751]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.385866]  ? trace_hardirqs_on+0x310/0x310
[  278.390375]  ? lock_downgrade+0x900/0x900
[  278.394538]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  278.399640]  ? ___ratelimit+0x3b9/0x672
[  278.403616]  ? idr_get_free+0xf70/0xf70
[  278.407593]  ? find_held_lock+0x36/0x1c0
[  278.411679]  oom_kill_process.cold.27+0x10/0x903
[  278.416431]  ? zap_class+0x640/0x640
[  278.420155]  ? check_preemption_disabled+0x48/0x280
[  278.425180]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.430153]  ? kasan_check_read+0x11/0x20
[  278.434299]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.439574]  ? oom_evaluate_task+0x540/0x540
[  278.443982]  ? find_held_lock+0x36/0x1c0
[  278.448043]  ? out_of_memory+0x974/0x1430
[  278.452284]  ? lock_downgrade+0x900/0x900
[  278.456459]  ? check_preemption_disabled+0x48/0x280
[  278.461472]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.466425]  ? kasan_check_read+0x11/0x20
[  278.470565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.475853]  ? rcu_softirq_qs+0x20/0x20
[  278.479843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.485384]  ? oom_evaluate_task+0x302/0x540
[  278.489820]  out_of_memory+0xa84/0x1430
[  278.493798]  ? oom_killer_disable+0x3a0/0x3a0
[  278.498287]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  278.503210]  ? __ww_mutex_check_waiters+0x160/0x160
[  278.508227]  __alloc_pages_slowpath+0x2354/0x2e10
[  278.513108]  ? warn_alloc+0x120/0x120
[  278.516934]  ? mark_held_locks+0x130/0x130
[  278.521185]  ? find_get_entry+0xaae/0x1120
[  278.525427]  ? filemap_map_pages+0x1a20/0x1a20
[  278.530003]  ? zap_class+0x640/0x640
[  278.533715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.539247]  ? check_preemption_disabled+0x48/0x280
[  278.544260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.549807]  ? should_fail+0x22d/0xd01
[  278.553694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.558807]  ? zap_class+0x640/0x640
[  278.562550]  ? __lock_is_held+0xb5/0x140
[  278.566625]  ? mark_held_locks+0x130/0x130
[  278.570867]  ? lock_release+0xa00/0xa00
[  278.574838]  ? perf_trace_sched_process_exec+0x860/0x860
[  278.580301]  ? xa_load+0x2ba/0x460
[  278.583874]  ? lock_downgrade+0x900/0x900
[  278.588018]  ? __might_sleep+0x95/0x190
[  278.592033]  __alloc_pages_nodemask+0xa80/0xde0
[  278.596727]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  278.601742]  ? __page_cache_alloc+0x191/0x5c0
[  278.606247]  ? xa_load+0x2e1/0x460
[  278.609789]  ? xa_clear_mark+0x40/0x40
[  278.613700]  ? zap_class+0x640/0x640
[  278.617451]  ? zap_class+0x640/0x640
[  278.621177]  ? zap_class+0x640/0x640
[  278.624890]  ? __do_page_cache_readahead+0x663/0x810
[  278.629999]  ? find_held_lock+0x36/0x1c0
[  278.634059]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  278.639607]  alloc_pages_current+0x173/0x350
[  278.644029]  __page_cache_alloc+0x38c/0x5c0
[  278.648368]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.653315]  ? kasan_check_read+0x11/0x20
[  278.657490]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.662762]  ? generic_perform_write+0x6a0/0x6a0
[  278.667513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.673044]  ? check_preemption_disabled+0x48/0x280
[  278.678060]  filemap_fault+0x1595/0x25f0
[  278.682168]  ? __lock_page_or_retry+0xa00/0xa00
[  278.686836]  ? mark_held_locks+0x130/0x130
[  278.691074]  ? filemap_map_pages+0xd6b/0x1a20
[  278.695610]  ? lock_downgrade+0x900/0x900
[  278.699752]  ? check_preemption_disabled+0x48/0x280
[  278.704763]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.709683]  ? kasan_check_read+0x11/0x20
[  278.713826]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.719108]  ? rcu_softirq_qs+0x20/0x20
[  278.723155]  ? filemap_map_pages+0xd92/0x1a20
[  278.727699]  ? find_get_entries_tag+0x1400/0x1400
[  278.732590]  ? debug_object_destroy+0x2b0/0x2b0
[  278.737277]  ? lock_pi_update_atomic+0x150/0x150
[  278.742031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.747578]  ? lock_acquire+0x1ed/0x520
[  278.751551]  ? ext4_filemap_fault+0x7a/0xad
[  278.755877]  ? lock_release+0xa00/0xa00
[  278.759857]  ? perf_trace_sched_process_exec+0x860/0x860
[  278.765309]  ? print_usage_bug+0xc0/0xc0
[  278.769406]  ? print_usage_bug+0xc0/0xc0
[  278.773481]  ? down_read+0x8d/0x120
[  278.777119]  ? ext4_filemap_fault+0x7a/0xad
[  278.781456]  ? __down_interruptible+0x700/0x700
[  278.786136]  ext4_filemap_fault+0x82/0xad
[  278.790285]  __do_fault+0x100/0x6b0
[  278.793918]  ? pmd_devmap_trans_unstable+0x220/0x220
[  278.799026]  ? mark_held_locks+0x130/0x130
[  278.803264]  ? mark_held_locks+0x130/0x130
[  278.807502]  ? debug_smp_processor_id+0x1c/0x20
[  278.812172]  ? perf_trace_lock+0x14d/0x7a0
[  278.816434]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  278.822075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.827644]  __handle_mm_fault+0x3ea0/0x5be0
[  278.832059]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  278.836919]  ? lock_is_held_type+0x210/0x210
[  278.841342]  ? file_remove_privs+0x540/0x540
[  278.845774]  ? zap_class+0x640/0x640
[  278.849486]  ? zap_class+0x640/0x640
[  278.853263]  ? __x64_sys_futex+0x53e/0x6a0
[  278.857516]  ? find_held_lock+0x36/0x1c0
[  278.861583]  ? handle_mm_fault+0x42a/0xc70
[  278.865844]  ? lock_downgrade+0x900/0x900
[  278.869986]  ? check_preemption_disabled+0x48/0x280
[  278.875002]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.879937]  ? kasan_check_read+0x11/0x20
[  278.884088]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.889374]  ? rcu_softirq_qs+0x20/0x20
[  278.893341]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.898437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.903974]  ? check_preemption_disabled+0x48/0x280
[  278.908994]  handle_mm_fault+0x54f/0xc70
[  278.913072]  ? __handle_mm_fault+0x5be0/0x5be0
[  278.917690]  ? find_vma+0x34/0x190
[  278.921279]  __do_page_fault+0x5e8/0xe60
[  278.925396]  ? trace_hardirqs_off+0xb8/0x310
[  278.929806]  do_page_fault+0xf2/0x7e0
[  278.933601]  ? vmalloc_sync_all+0x30/0x30
[  278.937749]  ? error_entry+0x70/0xd0
[  278.941460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.946481]  ? trace_hardirqs_on_caller+0xc0/0x310
[  278.951421]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.956459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.961300]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.966329]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.971781]  ? prepare_exit_to_usermode+0x291/0x3b0
[  278.976809]  ? page_fault+0x8/0x30
[  278.980359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.985210]  ? page_fault+0x8/0x30
[  278.988777]  page_fault+0x1e/0x30
[  278.992276] RIP: 0033:0x40f9c0
[  278.995491] Code: Bad RIP value.
[  278.998850] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  279.004207] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  279.011470] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  279.018774] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  279.026032] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  279.033293] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  279.040603] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  279.040608] warn_alloc_show_mem: 1 callbacks suppressed
[  279.040615] Mem-Info:
[  279.047799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.053175] active_anon:50082 inactive_anon:201 isolated_anon:0
[  279.053175]  active_file:11 inactive_file:13 isolated_file:0
[  279.053175]  unevictable:0 dirty:0 writeback:0 unstable:0
[  279.053175]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  279.053175]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  279.053175]  free:13738 free_pcp:300 free_cma:0
[  279.055546] Call Trace:
[  279.064936] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  279.097774]  <IRQ>
[  279.100338] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  279.127824]  dump_stack+0x244/0x39d
[  279.129948] lowmem_reserve[]: 0 2818 6321 6321
[  279.156048]  ? dump_stack_print_info.cold.1+0x20/0x20
[  279.159647] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  279.164223]  warn_alloc.cold.116+0xb7/0x1bd
[  279.169379] lowmem_reserve[]: 0 0 3503 3503
[  279.196951]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.201246] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  279.205564]  ? lock_downgrade+0x900/0x900
[  279.210389] lowmem_reserve[]: 0 0 0 0
[  279.239299]  ? trace_hardirqs_off+0xb8/0x310
[  279.243430] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  279.247235]  ? trace_hardirqs_off+0xb8/0x310
[  279.251614] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  279.265146]  __alloc_pages_slowpath+0x26e8/0x2e10
[  279.269523] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  279.284633]  ? warn_alloc+0x120/0x120
[  279.289441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  279.303996]  ? print_usage_bug+0xc0/0xc0
[  279.307772] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  279.316603]  ? warn_alloc+0x120/0x120
[  279.320635] 268 total pagecache pages
[  279.329219]  ? warn_alloc+0x120/0x120
[  279.333011] 0 pages in swap cache
[  279.336813]  ? print_usage_bug+0xc0/0xc0
[  279.340634] Swap cache stats: add 0, delete 0, find 0/0
[  279.344105]  ? kvm_clock_read+0x18/0x30
[  279.344119]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  279.348158] Free swap  = 0kB
[  279.353516]  ? print_usage_bug+0xc0/0xc0
[  279.357494] Total swap = 0kB
[  279.362501]  ? __lock_acquire+0x62f/0x4c20
[  279.365495] 1965979 pages RAM
[  279.369543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.372553] 0 pages HighMem/MovableOnly
[  279.376824]  ? should_fail+0x22d/0xd01
[  279.379900] 342853 pages reserved
[  279.385422]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.389368] 0 pages cma reserved
[  279.393260]  ? __lock_acquire+0x62f/0x4c20
[  279.396817] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.401789]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.405229] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.409366]  ? __lock_acquire+0x62f/0x4c20
[  279.415829] syz-fuzzer cpuset=/ mems_allowed=0
[  279.420935]  ? should_fail+0x22d/0xd01
[  279.443833]  ? mark_held_locks+0x130/0x130
[  279.448073]  ? mark_held_locks+0x130/0x130
[  279.452323]  ? zap_class+0x640/0x640
[  279.456066]  ? print_usage_bug+0xc0/0xc0
[  279.460170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.465717]  ? check_preemption_disabled+0x48/0x280
[  279.470753]  ? __lock_is_held+0xb5/0x140
[  279.474852]  __alloc_pages_nodemask+0xa80/0xde0
[  279.479531]  ? zap_class+0x640/0x640
[  279.483244]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  279.488297]  ? find_held_lock+0x36/0x1c0
[  279.492398]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.497062]  ? lock_downgrade+0x900/0x900
[  279.501234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.506771]  cache_grow_begin+0xa5/0x8c0
[  279.510822]  ? do_raw_spin_unlock+0xa7/0x330
[  279.515262]  fallback_alloc+0x204/0x2e0
[  279.519240]  ____cache_alloc_node+0x1c7/0x1e0
[  279.523736]  kmem_cache_alloc_node+0xe3/0x730
[  279.528231]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.532480]  __alloc_skb+0x119/0x770
[  279.536200]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.541471]  ? netdev_alloc_frag+0x1f0/0x1f0
[  279.545869]  ? lock_downgrade+0x900/0x900
[  279.550015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.555552]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.561017]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.566463]  ? addrconf_rs_timer+0x690/0x690
[  279.570884]  ndisc_alloc_skb+0x144/0x340
[  279.574945]  ndisc_send_rs+0x331/0x6e0
[  279.578830]  addrconf_rs_timer+0x314/0x690
[  279.583064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.587319]  call_timer_fn+0x272/0x920
[  279.591231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.595477]  ? process_timeout+0x40/0x40
[  279.599585]  ? __run_timers+0x7da/0xc70
[  279.603559]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.608045]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.612584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.616862]  ? lockdep_hardirqs_on+0x296/0x5b0
[  279.621442]  ? trace_hardirqs_on+0xbd/0x310
[  279.625771]  ? kasan_check_read+0x11/0x20
[  279.629922]  ? __run_timers+0x7da/0xc70
[  279.633904]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.639009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.643336]  __run_timers+0x7e5/0xc70
[  279.647205]  ? timer_fixup_init+0x70/0x70
[  279.651358]  ? kasan_check_read+0x11/0x20
[  279.655520]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.660836]  ? rcu_softirq_qs+0x20/0x20
[  279.664803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.670368]  ? check_preemption_disabled+0x48/0x280
[  279.675411]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.680193]  ? retint_kernel+0x2d/0x2d
[  279.684074]  ? trace_hardirqs_on_caller+0xc0/0x310
[  279.689035]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.693784]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  279.699228]  ? zap_class+0x640/0x640
[  279.702938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.708472]  ? check_preemption_disabled+0x48/0x280
[  279.713494]  ? __lock_is_held+0xb5/0x140
[  279.717577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.723135]  ? check_preemption_disabled+0x48/0x280
[  279.728173]  run_timer_softirq+0x52/0xb0
[  279.732237]  ? rcu_read_lock_sched_held+0x14f/0x180
[  279.737271]  __do_softirq+0x308/0xb7e
[  279.741074]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  279.745602]  ? lock_downgrade+0x900/0x900
[  279.749755]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  279.754862]  ? pvclock_read_flags+0x160/0x160
[  279.759358]  ? lapic_next_event+0x5a/0x90
[  279.763539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.769101]  ? kvm_clock_read+0x18/0x30
[  279.773078]  ? kvm_sched_clock_read+0x9/0x20
[  279.777496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.783038]  ? check_preemption_disabled+0x48/0x280
[  279.788059]  irq_exit+0x17f/0x1c0
[  279.791515]  smp_apic_timer_interrupt+0x1cb/0x760
[  279.796353]  ? smp_reschedule_interrupt+0x109/0x650
[  279.801372]  ? smp_call_function_single_interrupt+0x650/0x650
[  279.807302]  ? interrupt_entry+0xb5/0xc0
[  279.811374]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.816385]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.821439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.826295]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.831322]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.836349]  ? task_prio+0x50/0x50
[  279.839916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.845454]  ? check_preemption_disabled+0x48/0x280
[  279.850473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.855333]  apic_timer_interrupt+0xf/0x20
[  279.859556]  </IRQ>
[  279.861790] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  279.866725] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  279.885633] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  279.893345] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  279.900622] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  279.907884] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  279.915147] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  279.922409] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  279.929701]  skb_clone+0x1bb/0x500
[  279.933268]  ? finish_task_switch+0x1b4/0x910
[  279.937762]  ? skb_split+0x11e0/0x11e0
[  279.941652]  ? preempt_notifier_register+0x200/0x200
[  279.946768]  ? __switch_to_asm+0x34/0x70
[  279.950836]  ? __switch_to_asm+0x34/0x70
[  279.954888]  ? __switch_to_asm+0x40/0x70
[  279.958970]  ? __switch_to_asm+0x34/0x70
[  279.963038]  ? __switch_to_asm+0x40/0x70
[  279.967096]  ? __switch_to_asm+0x34/0x70
[  279.971152]  ? __switch_to_asm+0x40/0x70
[  279.975210]  ? __switch_to_asm+0x34/0x70
[  279.979287]  ? __switch_to_asm+0x34/0x70
[  279.983356]  ? __switch_to_asm+0x40/0x70
[  279.987416]  ? __switch_to_asm+0x34/0x70
[  279.991511]  bpf_clone_redirect+0xb9/0x490
[  279.995790]  ? __schedule+0x8d7/0x21d0
[  279.999688]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  280.004703]  ? __sched_text_start+0x8/0x8
[  280.008852]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  280.013449]  ? retint_kernel+0x2d/0x2d
[  280.017334]  ? trace_hardirqs_on_caller+0xc0/0x310
[  280.022315]  ? find_held_lock+0x36/0x1c0
[  280.026392]  ? lock_acquire+0x1ed/0x520
[  280.030375]  ? bpf_test_run+0x3cb/0x780
[  280.034365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.039914]  ? check_preemption_disabled+0x48/0x280
[  280.044928]  ? kasan_check_read+0x11/0x20
[  280.049075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.054386]  ? rcu_softirq_qs+0x20/0x20
[  280.058376]  ? preempt_schedule+0x4d/0x60
[  280.062520]  ? ___preempt_schedule+0x16/0x18
[  280.066932]  ? bpf_test_run+0x25d/0x780
[  280.070910]  ? netlink_diag_dump+0x2a0/0x2a0
[  280.075319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.080856]  ? bpf_test_init.isra.10+0x70/0x100
[  280.085546]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  280.090310]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  280.095162]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  280.100697]  ? fput+0x130/0x1a0
[  280.103973]  ? __bpf_prog_get+0x9b/0x290
[  280.108032]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  280.112866]  ? bpf_prog_test_run+0x130/0x1a0
[  280.117274]  ? __x64_sys_bpf+0x3d8/0x520
[  280.121337]  ? bpf_prog_get+0x20/0x20
[  280.125167]  ? do_syscall_64+0x1b9/0x820
[  280.129225]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  280.134587]  ? syscall_return_slowpath+0x5e0/0x5e0
[  280.139516]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.144355]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.149368]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  280.154384]  ? prepare_exit_to_usermode+0x291/0x3b0
[  280.159430]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.164279]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  280.169656] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  280.169734] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  280.176580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  280.176585] Call Trace:
[  280.176591]  <IRQ>
[  280.176606]  dump_stack+0x244/0x39d
[  280.176627]  ? dump_stack_print_info.cold.1+0x20/0x20
[  280.183147] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  280.192472]  warn_alloc.cold.116+0xb7/0x1bd
[  280.195028] syz-executor3 cpuset=syz3 mems_allowed=0
[  280.197201]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  280.230730]  ? lock_downgrade+0x900/0x900
[  280.234881]  ? trace_hardirqs_off+0xb8/0x310
[  280.239293]  ? trace_hardirqs_off+0xb8/0x310
[  280.243706]  __alloc_pages_slowpath+0x26e8/0x2e10
[  280.248584]  ? warn_alloc+0x120/0x120
[  280.252400]  ? print_usage_bug+0xc0/0xc0
[  280.256460]  ? warn_alloc+0x120/0x120
[  280.260261]  ? warn_alloc+0x120/0x120
[  280.264071]  ? print_usage_bug+0xc0/0xc0
[  280.268157]  ? kvm_clock_read+0x18/0x30
[  280.272132]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  280.277174]  ? print_usage_bug+0xc0/0xc0
[  280.281251]  ? __lock_acquire+0x62f/0x4c20
[  280.285511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.291050]  ? should_fail+0x22d/0xd01
[  280.294940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.300225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.305347]  ? __lock_acquire+0x62f/0x4c20
[  280.309583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.314695]  ? __lock_acquire+0x62f/0x4c20
[  280.319418]  ? should_fail+0x22d/0xd01
[  280.323342]  ? rcu_irq_exit+0x1a2/0x390
[  280.327327]  ? mark_held_locks+0x130/0x130
[  280.331577]  ? mark_held_locks+0x130/0x130
[  280.335850]  ? mark_held_locks+0xc7/0x130
[  280.340001]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  280.345012]  ? zap_class+0x640/0x640
[  280.348725]  ? print_usage_bug+0xc0/0xc0
[  280.352784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.358322]  ? check_preemption_disabled+0x48/0x280
[  280.363348]  ? __lock_is_held+0xb5/0x140
[  280.367417]  __alloc_pages_nodemask+0xa80/0xde0
[  280.372096]  ? zap_class+0x640/0x640
[  280.375818]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  280.380863]  ? find_held_lock+0x36/0x1c0
[  280.384951]  ? ____cache_alloc_node+0x1c7/0x1e0
[  280.389642]  ? lock_downgrade+0x900/0x900
[  280.393804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.399369]  cache_grow_begin+0xa5/0x8c0
[  280.403431]  ? do_raw_spin_unlock+0xa7/0x330
[  280.407843]  fallback_alloc+0x204/0x2e0
[  280.411823]  ____cache_alloc_node+0x1c7/0x1e0
[  280.416327]  kmem_cache_alloc_node+0xe3/0x730
[  280.420827]  ? ipv6_get_ifaddr+0x42e/0x620
[  280.425101]  __alloc_skb+0x119/0x770
[  280.428814]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.434118]  ? netdev_alloc_frag+0x1f0/0x1f0
[  280.438539]  ? lock_downgrade+0x900/0x900
[  280.442707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.448262]  ? refcount_sub_and_test_checked+0x203/0x310
[  280.453705]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  280.459151]  ? addrconf_rs_timer+0x690/0x690
[  280.463566]  ndisc_alloc_skb+0x144/0x340
[  280.467644]  ndisc_send_rs+0x331/0x6e0
[  280.471552]  addrconf_rs_timer+0x314/0x690
[  280.475792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.480035]  call_timer_fn+0x272/0x920
[  280.483922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.488170]  ? process_timeout+0x40/0x40
[  280.492243]  ? mark_held_locks+0xc7/0x130
[  280.496404]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.500893]  ? _raw_spin_unlock_irq+0x27/0x80
[  280.505382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.509621]  ? lockdep_hardirqs_on+0x296/0x5b0
[  280.514201]  ? trace_hardirqs_on+0xbd/0x310
[  280.518519]  ? kasan_check_read+0x11/0x20
[  280.522662]  ? __run_timers+0x7da/0xc70
[  280.526634]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.531742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.536013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  280.540241]  __run_timers+0x7e5/0xc70
[  280.544047]  ? timer_fixup_init+0x70/0x70
[  280.548192]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.553205]  ? zap_class+0x640/0x640
[  280.556965]  ? print_usage_bug+0xc0/0xc0
[  280.561034]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  280.566256]  ? find_held_lock+0x36/0x1c0
[  280.570325]  ? zap_class+0x640/0x640
[  280.574145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.579691]  ? check_preemption_disabled+0x48/0x280
[  280.584736]  ? __lock_is_held+0xb5/0x140
[  280.588804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.594339]  ? check_preemption_disabled+0x48/0x280
[  280.599377]  run_timer_softirq+0x52/0xb0
[  280.603451]  ? rcu_read_lock_sched_held+0x14f/0x180
[  280.608465]  __do_softirq+0x308/0xb7e
[  280.612280]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  280.616769]  ? lock_downgrade+0x900/0x900
[  280.620945]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  280.626052]  ? pvclock_read_flags+0x160/0x160
[  280.630564]  ? lapic_next_event+0x5a/0x90
[  280.634714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.640265]  ? kvm_clock_read+0x18/0x30
[  280.644256]  ? kvm_sched_clock_read+0x9/0x20
[  280.648666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.654217]  ? check_preemption_disabled+0x48/0x280
[  280.659253]  irq_exit+0x17f/0x1c0
[  280.662736]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.667574]  ? smp_reschedule_interrupt+0x109/0x650
[  280.672596]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.678478]  ? interrupt_entry+0xb5/0xc0
[  280.682605]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.687631]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.692674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.697518]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.702532]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.707557]  ? task_prio+0x50/0x50
[  280.711129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.716681]  ? check_preemption_disabled+0x48/0x280
[  280.721702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.726645]  apic_timer_interrupt+0xf/0x20
[  280.730871]  </IRQ>
[  280.733171] RIP: 0010:dump_stack+0x358/0x39d
[  280.737581] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  280.756479] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  280.764189] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  280.771459] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  280.778745] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  280.786015] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  280.793285] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  280.800567]  ? dump_stack+0x34f/0x39d
[  280.804381]  ? dump_stack_print_info.cold.1+0x20/0x20
[  280.809581]  ? mark_held_locks+0x130/0x130
[  280.813817]  ? mark_held_locks+0x130/0x130
[  280.818073]  dump_header+0x27b/0xf72
[  280.821832]  ? pagefault_out_of_memory+0x197/0x197
[  280.826771]  ? __lock_acquire+0x62f/0x4c20
[  280.831009]  ? percpu_ref_get_many+0x240/0x240
[  280.835593]  ? print_usage_bug+0xc0/0xc0
[  280.839659]  ? zap_class+0x640/0x640
[  280.843373]  ? print_usage_bug+0xc0/0xc0
[  280.847427]  ? print_usage_bug+0xc0/0xc0
[  280.851509]  ? zap_class+0x640/0x640
[  280.855222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.860760]  ? find_held_lock+0x36/0x1c0
[  280.864827]  ? mark_held_locks+0xc7/0x130
[  280.868996]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.874149]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.879297]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  280.883877]  ? trace_hardirqs_on+0xbd/0x310
[  280.888198]  ? kasan_check_read+0x11/0x20
[  280.892341]  ? ___ratelimit+0x3b4/0x672
[  280.896325]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.901444]  ? trace_hardirqs_on+0x310/0x310
[  280.905869]  ? lock_downgrade+0x900/0x900
[  280.910033]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.915162]  ? ___ratelimit+0x3b9/0x672
[  280.919152]  ? idr_get_free+0xf70/0xf70
[  280.923153]  ? find_held_lock+0x36/0x1c0
[  280.927244]  oom_kill_process.cold.27+0x10/0x903
[  280.932013]  ? zap_class+0x640/0x640
[  280.935728]  ? check_preemption_disabled+0x48/0x280
[  280.940751]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.945677]  ? kasan_check_read+0x11/0x20
[  280.949831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.955123]  ? oom_evaluate_task+0x540/0x540
[  280.959570]  ? find_held_lock+0x36/0x1c0
[  280.963655]  ? out_of_memory+0x974/0x1430
[  280.967811]  ? lock_downgrade+0x900/0x900
[  280.971954]  ? check_preemption_disabled+0x48/0x280
[  280.977017]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.981949]  ? kasan_check_read+0x11/0x20
[  280.986143]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.991439]  ? rcu_softirq_qs+0x20/0x20
[  280.995436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.000985]  ? oom_evaluate_task+0x302/0x540
[  281.005396]  out_of_memory+0xa84/0x1430
[  281.009374]  ? oom_killer_disable+0x3a0/0x3a0
[  281.013884]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  281.018848]  ? __ww_mutex_check_waiters+0x160/0x160
[  281.023887]  __alloc_pages_slowpath+0x2354/0x2e10
[  281.028764]  ? warn_alloc+0x120/0x120
[  281.032566]  ? mark_held_locks+0x130/0x130
[  281.036803]  ? find_get_entry+0xaae/0x1120
[  281.041054]  ? filemap_map_pages+0x1a20/0x1a20
[  281.045710]  ? zap_class+0x640/0x640
[  281.049434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.054965]  ? check_preemption_disabled+0x48/0x280
[  281.059979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.065542]  ? should_fail+0x22d/0xd01
[  281.069447]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.074550]  ? zap_class+0x640/0x640
[  281.078290]  ? __lock_is_held+0xb5/0x140
[  281.082360]  ? mark_held_locks+0x130/0x130
[  281.086625]  ? lock_release+0xa00/0xa00
[  281.090601]  ? perf_trace_sched_process_exec+0x860/0x860
[  281.096055]  ? xa_load+0x2ba/0x460
[  281.099613]  ? lock_downgrade+0x900/0x900
[  281.103763]  ? __might_sleep+0x95/0x190
[  281.107737]  __alloc_pages_nodemask+0xa80/0xde0
[  281.112463]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  281.117478]  ? __page_cache_alloc+0x191/0x5c0
[  281.121987]  ? xa_load+0x2e1/0x460
[  281.125562]  ? xa_clear_mark+0x40/0x40
[  281.129464]  ? zap_class+0x640/0x640
[  281.133187]  ? zap_class+0x640/0x640
[  281.136913]  ? zap_class+0x640/0x640
[  281.140653]  ? __do_page_cache_readahead+0x663/0x810
[  281.145781]  ? find_held_lock+0x36/0x1c0
[  281.149848]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  281.155390]  alloc_pages_current+0x173/0x350
[  281.159803]  __page_cache_alloc+0x38c/0x5c0
[  281.164145]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  281.169101]  ? kasan_check_read+0x11/0x20
[  281.173509]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.178855]  ? generic_perform_write+0x6a0/0x6a0
[  281.183614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.189195]  ? check_preemption_disabled+0x48/0x280
[  281.194232]  filemap_fault+0x1595/0x25f0
[  281.198328]  ? __lock_page_or_retry+0xa00/0xa00
[  281.203040]  ? mark_held_locks+0x130/0x130
[  281.207296]  ? filemap_map_pages+0xd6b/0x1a20
[  281.211796]  ? lock_downgrade+0x900/0x900
[  281.215960]  ? check_preemption_disabled+0x48/0x280
[  281.220996]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  281.225945]  ? kasan_check_read+0x11/0x20
[  281.230105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.235394]  ? rcu_softirq_qs+0x20/0x20
[  281.239393]  ? filemap_map_pages+0xd92/0x1a20
[  281.243896]  ? find_get_entries_tag+0x1400/0x1400
[  281.248734]  ? debug_object_destroy+0x2b0/0x2b0
[  281.253406]  ? lock_pi_update_atomic+0x150/0x150
[  281.258175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.263726]  ? lock_acquire+0x1ed/0x520
[  281.267710]  ? ext4_filemap_fault+0x7a/0xad
[  281.272028]  ? lock_release+0xa00/0xa00
[  281.276111]  ? perf_trace_sched_process_exec+0x860/0x860
[  281.281566]  ? print_usage_bug+0xc0/0xc0
[  281.285623]  ? print_usage_bug+0xc0/0xc0
[  281.289710]  ? down_read+0x8d/0x120
[  281.293344]  ? ext4_filemap_fault+0x7a/0xad
[  281.297665]  ? __down_interruptible+0x700/0x700
[  281.302367]  ext4_filemap_fault+0x82/0xad
[  281.306559]  __do_fault+0x100/0x6b0
[  281.310195]  ? pmd_devmap_trans_unstable+0x220/0x220
[  281.315298]  ? mark_held_locks+0x130/0x130
[  281.319541]  ? mark_held_locks+0x130/0x130
[  281.323773]  ? debug_smp_processor_id+0x1c/0x20
[  281.328457]  ? perf_trace_lock+0x14d/0x7a0
[  281.332715]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  281.338339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.343880]  __handle_mm_fault+0x3ea0/0x5be0
[  281.348290]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  281.353127]  ? lock_is_held_type+0x210/0x210
[  281.357533]  ? file_remove_privs+0x540/0x540
[  281.361956]  ? zap_class+0x640/0x640
[  281.365663]  ? zap_class+0x640/0x640
[  281.369383]  ? __x64_sys_futex+0x53e/0x6a0
[  281.373613]  ? find_held_lock+0x36/0x1c0
[  281.377678]  ? handle_mm_fault+0x42a/0xc70
[  281.381908]  ? lock_downgrade+0x900/0x900
[  281.386047]  ? check_preemption_disabled+0x48/0x280
[  281.391064]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  281.396012]  ? kasan_check_read+0x11/0x20
[  281.400158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.405430]  ? rcu_softirq_qs+0x20/0x20
[  281.409401]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.414502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.420031]  ? check_preemption_disabled+0x48/0x280
[  281.425062]  handle_mm_fault+0x54f/0xc70
[  281.429193]  ? __handle_mm_fault+0x5be0/0x5be0
[  281.433788]  ? find_vma+0x34/0x190
[  281.437327]  __do_page_fault+0x5e8/0xe60
[  281.441417]  ? trace_hardirqs_off+0xb8/0x310
[  281.445861]  do_page_fault+0xf2/0x7e0
[  281.449657]  ? vmalloc_sync_all+0x30/0x30
[  281.453833]  ? error_entry+0x70/0xd0
[  281.457576]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.462585]  ? trace_hardirqs_on_caller+0xc0/0x310
[  281.467534]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.472487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.477326]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.482338]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.487789]  ? prepare_exit_to_usermode+0x291/0x3b0
[  281.492803]  ? page_fault+0x8/0x30
[  281.496342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.501183]  ? page_fault+0x8/0x30
[  281.504718]  page_fault+0x1e/0x30
[  281.508164] RIP: 0033:0x40f9c0
[  281.511363] Code: Bad RIP value.
[  281.514744] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  281.520139] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  281.527428] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  281.534692] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  281.541951] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  281.549210] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  281.556523] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  281.556528] warn_alloc_show_mem: 1 callbacks suppressed
[  281.556534] Mem-Info:
[  281.563715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.569116] active_anon:50082 inactive_anon:201 isolated_anon:0
[  281.569116]  active_file:11 inactive_file:13 isolated_file:0
[  281.569116]  unevictable:0 dirty:0 writeback:0 unstable:0
[  281.569116]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  281.569116]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  281.569116]  free:13738 free_pcp:300 free_cma:0
[  281.571482] Call Trace:
[  281.580886] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  281.613737]  <IRQ>
[  281.616299] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  281.643815]  dump_stack+0x244/0x39d
[  281.645934] lowmem_reserve[]: 0 2818 6321 6321
[  281.672035]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.675631] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  281.680228]  warn_alloc.cold.116+0xb7/0x1bd
[  281.685402] lowmem_reserve[]: 0 0 3503 3503
[  281.712977]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.717272] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  281.721584]  ? lock_downgrade+0x900/0x900
[  281.726438] lowmem_reserve[]: 0 0 0 0
[  281.755318]  ? trace_hardirqs_off+0xb8/0x310
[  281.759442] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  281.763255]  ? trace_hardirqs_off+0xb8/0x310
[  281.767651] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  281.781184]  __alloc_pages_slowpath+0x26e8/0x2e10
[  281.785571] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  281.800675]  ? warn_alloc+0x120/0x120
[  281.805490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  281.820055]  ? print_usage_bug+0xc0/0xc0
[  281.823833] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  281.832667]  ? warn_alloc+0x120/0x120
[  281.836704] 268 total pagecache pages
[  281.845265]  ? warn_alloc+0x120/0x120
[  281.849046] 0 pages in swap cache
[  281.852832]  ? print_usage_bug+0xc0/0xc0
[  281.856608] Swap cache stats: add 0, delete 0, find 0/0
[  281.860048]  ? print_usage_bug+0xc0/0xc0
[  281.864078] Free swap  = 0kB
[  281.869464]  ? __lock_acquire+0x62f/0x4c20
[  281.873496] Total swap = 0kB
[  281.876515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.880738] 1965979 pages RAM
[  281.883744]  ? should_fail+0x22d/0xd01
[  281.889250] 0 pages HighMem/MovableOnly
[  281.892344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.896201] 342853 pages reserved
[  281.900184]  ? __lock_acquire+0x62f/0x4c20
[  281.905273] 0 pages cma reserved
[  281.908712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.912983] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.916266]  ? __lock_acquire+0x62f/0x4c20
[  281.916277]  ? should_fail+0x22d/0xd01
[  281.916288]  ? find_held_lock+0x36/0x1c0
[  281.916306]  ? mark_held_locks+0x130/0x130
[  281.921458] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.927860]  ? mark_held_locks+0x130/0x130
[  281.932088] syz-fuzzer cpuset=/ mems_allowed=0
[  281.935992]  ? zap_class+0x640/0x640
[  281.966976]  ? zap_class+0x640/0x640
[  281.970684]  ? print_usage_bug+0xc0/0xc0
[  281.974736]  ? do_raw_spin_unlock+0xa7/0x330
[  281.979154]  ? zap_class+0x640/0x640
[  281.982862]  ? print_usage_bug+0xc0/0xc0
[  281.986921]  ? wq_watchdog_touch+0x9c/0xfe
[  281.991157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.996733]  ? check_preemption_disabled+0x48/0x280
[  282.001770]  ? __lock_is_held+0xb5/0x140
[  282.005841]  __alloc_pages_nodemask+0xa80/0xde0
[  282.010518]  ? zap_class+0x640/0x640
[  282.014242]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  282.019262]  ? find_held_lock+0x36/0x1c0
[  282.023373]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.028070]  ? lock_downgrade+0x900/0x900
[  282.032224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.037780]  cache_grow_begin+0xa5/0x8c0
[  282.041838]  ? do_raw_spin_unlock+0xa7/0x330
[  282.046264]  fallback_alloc+0x204/0x2e0
[  282.050241]  ____cache_alloc_node+0x1c7/0x1e0
[  282.054752]  kmem_cache_alloc_node+0xe3/0x730
[  282.059262]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.063524]  __alloc_skb+0x119/0x770
[  282.067231]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.072509]  ? netdev_alloc_frag+0x1f0/0x1f0
[  282.076913]  ? lock_downgrade+0x900/0x900
[  282.081074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.086643]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.092120]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.097572]  ? addrconf_rs_timer+0x690/0x690
[  282.101993]  ndisc_alloc_skb+0x144/0x340
[  282.106089]  ndisc_send_rs+0x331/0x6e0
[  282.109995]  addrconf_rs_timer+0x314/0x690
[  282.114230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.118470]  call_timer_fn+0x272/0x920
[  282.122357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.126588]  ? process_timeout+0x40/0x40
[  282.130658]  ? __run_timers+0x7da/0xc70
[  282.134630]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.139137]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.143623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.147853]  ? lockdep_hardirqs_on+0x296/0x5b0
[  282.152430]  ? trace_hardirqs_on+0xbd/0x310
[  282.156747]  ? kasan_check_read+0x11/0x20
[  282.160889]  ? __run_timers+0x7da/0xc70
[  282.164881]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.170013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.174250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.178479]  __run_timers+0x7e5/0xc70
[  282.182309]  ? timer_fixup_init+0x70/0x70
[  282.186452]  ? kasan_check_read+0x11/0x20
[  282.190614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.195894]  ? rcu_softirq_qs+0x20/0x20
[  282.199862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.205401]  ? check_preemption_disabled+0x48/0x280
[  282.210446]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.215198]  ? retint_kernel+0x2d/0x2d
[  282.219078]  ? trace_hardirqs_on_caller+0xc0/0x310
[  282.224026]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.228780]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  282.234236]  ? zap_class+0x640/0x640
[  282.237958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.243499]  ? check_preemption_disabled+0x48/0x280
[  282.248524]  ? __lock_is_held+0xb5/0x140
[  282.252590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.258139]  ? check_preemption_disabled+0x48/0x280
[  282.263163]  run_timer_softirq+0x52/0xb0
[  282.267244]  ? rcu_read_lock_sched_held+0x14f/0x180
[  282.272266]  __do_softirq+0x308/0xb7e
[  282.276073]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  282.280584]  ? lock_downgrade+0x900/0x900
[  282.284745]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  282.289858]  ? pvclock_read_flags+0x160/0x160
[  282.294357]  ? lapic_next_event+0x5a/0x90
[  282.298525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.304071]  ? kvm_clock_read+0x18/0x30
[  282.308061]  ? kvm_sched_clock_read+0x9/0x20
[  282.312507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.318174]  ? check_preemption_disabled+0x48/0x280
[  282.323261]  irq_exit+0x17f/0x1c0
[  282.326732]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.331620]  ? smp_reschedule_interrupt+0x109/0x650
[  282.336641]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.342525]  ? interrupt_entry+0xb5/0xc0
[  282.346610]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.351630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.356655]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.361500]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.366533]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.371567]  ? task_prio+0x50/0x50
[  282.375148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.380706]  ? check_preemption_disabled+0x48/0x280
[  282.385753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.390610]  apic_timer_interrupt+0xf/0x20
[  282.394894]  </IRQ>
[  282.397139] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  282.402073] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  282.420993] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  282.428699] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  282.435980] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  282.443262] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  282.450734] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  282.458014] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  282.465326]  skb_clone+0x1bb/0x500
[  282.468863]  ? finish_task_switch+0x1b4/0x910
[  282.473356]  ? skb_split+0x11e0/0x11e0
[  282.477238]  ? preempt_notifier_register+0x200/0x200
[  282.482352]  ? __switch_to_asm+0x34/0x70
[  282.486408]  ? __switch_to_asm+0x34/0x70
[  282.490461]  ? __switch_to_asm+0x40/0x70
[  282.494515]  ? __switch_to_asm+0x34/0x70
[  282.498567]  ? __switch_to_asm+0x40/0x70
[  282.502638]  ? __switch_to_asm+0x34/0x70
[  282.506700]  ? __switch_to_asm+0x40/0x70
[  282.510796]  ? __switch_to_asm+0x34/0x70
[  282.514855]  ? __switch_to_asm+0x34/0x70
[  282.518911]  ? __switch_to_asm+0x40/0x70
[  282.522967]  ? __switch_to_asm+0x34/0x70
[  282.527032]  bpf_clone_redirect+0xb9/0x490
[  282.531270]  ? __schedule+0x8d7/0x21d0
[  282.535188]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  282.540209]  ? __sched_text_start+0x8/0x8
[  282.544380]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  282.548965]  ? retint_kernel+0x2d/0x2d
[  282.552852]  ? trace_hardirqs_on_caller+0xc0/0x310
[  282.557786]  ? find_held_lock+0x36/0x1c0
[  282.561860]  ? lock_acquire+0x1ed/0x520
[  282.565838]  ? bpf_test_run+0x3cb/0x780
[  282.569812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.575350]  ? check_preemption_disabled+0x48/0x280
[  282.580373]  ? kasan_check_read+0x11/0x20
[  282.584533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.589838]  ? rcu_softirq_qs+0x20/0x20
[  282.593822]  ? preempt_schedule+0x4d/0x60
[  282.597997]  ? ___preempt_schedule+0x16/0x18
[  282.602414]  ? bpf_test_run+0x25d/0x780
[  282.606398]  ? netlink_diag_dump+0x2a0/0x2a0
[  282.610811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.616350]  ? bpf_test_init.isra.10+0x70/0x100
[  282.621024]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  282.625785]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  282.630652]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  282.636186]  ? fput+0x130/0x1a0
[  282.639468]  ? __bpf_prog_get+0x9b/0x290
[  282.643542]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  282.648376]  ? bpf_prog_test_run+0x130/0x1a0
[  282.652781]  ? __x64_sys_bpf+0x3d8/0x520
[  282.656840]  ? bpf_prog_get+0x20/0x20
[  282.660652]  ? do_syscall_64+0x1b9/0x820
[  282.664704]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  282.670064]  ? syscall_return_slowpath+0x5e0/0x5e0
[  282.674991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.679829]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.684869]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  282.689889]  ? prepare_exit_to_usermode+0x291/0x3b0
[  282.694923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.699772]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  282.705161] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  282.705260] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.712111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  282.712120] Call Trace:
[  282.718698] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.727947]  <IRQ>
[  282.730528] syz-executor3 cpuset=syz3 mems_allowed=0
[  282.741006]  dump_stack+0x244/0x39d
[  282.751852]  ? dump_stack_print_info.cold.1+0x20/0x20
[  282.757053]  warn_alloc.cold.116+0xb7/0x1bd
[  282.761420]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.766287]  ? lock_downgrade+0x900/0x900
[  282.770471]  ? trace_hardirqs_off+0xb8/0x310
[  282.774887]  ? trace_hardirqs_off+0xb8/0x310
[  282.779304]  __alloc_pages_slowpath+0x26e8/0x2e10
[  282.784193]  ? warn_alloc+0x120/0x120
[  282.787996]  ? print_usage_bug+0xc0/0xc0
[  282.792058]  ? warn_alloc+0x120/0x120
[  282.795909]  ? warn_alloc+0x120/0x120
[  282.799711]  ? print_usage_bug+0xc0/0xc0
[  282.803775]  ? print_usage_bug+0xc0/0xc0
[  282.807835]  ? __lock_acquire+0x62f/0x4c20
[  282.812101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.817639]  ? should_fail+0x22d/0xd01
[  282.821527]  ? __lock_acquire+0x62f/0x4c20
[  282.825766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.830868]  ? __lock_acquire+0x62f/0x4c20
[  282.835116]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.840237]  ? __lock_acquire+0x62f/0x4c20
[  282.844488]  ? should_fail+0x22d/0xd01
[  282.848384]  ? mark_held_locks+0x130/0x130
[  282.852621]  ? mark_held_locks+0x130/0x130
[  282.856869]  ? zap_class+0x640/0x640
[  282.860590]  ? zap_class+0x640/0x640
[  282.864303]  ? print_usage_bug+0xc0/0xc0
[  282.868371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.873953]  ? check_preemption_disabled+0x48/0x280
[  282.878970]  ? __lock_is_held+0xb5/0x140
[  282.883032]  __alloc_pages_nodemask+0xa80/0xde0
[  282.887694]  ? zap_class+0x640/0x640
[  282.891409]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  282.896435]  ? find_held_lock+0x36/0x1c0
[  282.900508]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.905189]  ? lock_downgrade+0x900/0x900
[  282.909364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.914922]  cache_grow_begin+0xa5/0x8c0
[  282.918983]  ? do_raw_spin_unlock+0xa7/0x330
[  282.923404]  fallback_alloc+0x204/0x2e0
[  282.927413]  ____cache_alloc_node+0x1c7/0x1e0
[  282.931910]  kmem_cache_alloc_node+0xe3/0x730
[  282.936430]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.940678]  __alloc_skb+0x119/0x770
[  282.944418]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.949693]  ? netdev_alloc_frag+0x1f0/0x1f0
[  282.954106]  ? lock_downgrade+0x900/0x900
[  282.958271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.963833]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.969317]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.974780]  ? addrconf_rs_timer+0x690/0x690
[  282.979213]  ndisc_alloc_skb+0x144/0x340
[  282.983279]  ndisc_send_rs+0x331/0x6e0
[  282.987172]  addrconf_rs_timer+0x314/0x690
[  282.991406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.995646]  call_timer_fn+0x272/0x920
[  282.999526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.003758]  ? process_timeout+0x40/0x40
[  283.007820]  ? mark_held_locks+0xc7/0x130
[  283.011961]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.016451]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.020938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.025187]  ? lockdep_hardirqs_on+0x296/0x5b0
[  283.029769]  ? trace_hardirqs_on+0xbd/0x310
[  283.034141]  ? kasan_check_read+0x11/0x20
[  283.038284]  ? __run_timers+0x7da/0xc70
[  283.042252]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.047373]  ? prandom_seed_full_state+0x3b0/0x3b0
[  283.052324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.056553]  __run_timers+0x7e5/0xc70
[  283.060376]  ? timer_fixup_init+0x70/0x70
[  283.064528]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  283.069557]  ? zap_class+0x640/0x640
[  283.073270]  ? print_usage_bug+0xc0/0xc0
[  283.077329]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  283.082553]  ? find_held_lock+0x36/0x1c0
[  283.086616]  ? zap_class+0x640/0x640
[  283.090348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.095893]  ? check_preemption_disabled+0x48/0x280
[  283.100911]  ? __lock_is_held+0xb5/0x140
[  283.104965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.110504]  ? check_preemption_disabled+0x48/0x280
[  283.115522]  run_timer_softirq+0x52/0xb0
[  283.119598]  ? rcu_read_lock_sched_held+0x14f/0x180
[  283.124613]  __do_softirq+0x308/0xb7e
[  283.128445]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  283.132934]  ? lock_downgrade+0x900/0x900
[  283.137105]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  283.142230]  ? pvclock_read_flags+0x160/0x160
[  283.146731]  ? lapic_next_event+0x5a/0x90
[  283.150878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.156492]  ? kvm_clock_read+0x18/0x30
[  283.160466]  ? kvm_sched_clock_read+0x9/0x20
[  283.164887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.170432]  ? check_preemption_disabled+0x48/0x280
[  283.175454]  irq_exit+0x17f/0x1c0
[  283.178935]  smp_apic_timer_interrupt+0x1cb/0x760
[  283.183770]  ? smp_reschedule_interrupt+0x109/0x650
[  283.188783]  ? smp_call_function_single_interrupt+0x650/0x650
[  283.194676]  ? interrupt_entry+0xb5/0xc0
[  283.198748]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.203761]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.208775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.213618]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.218633]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.223647]  ? task_prio+0x50/0x50
[  283.227230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.232787]  ? check_preemption_disabled+0x48/0x280
[  283.237808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.242653]  apic_timer_interrupt+0xf/0x20
[  283.246891]  </IRQ>
[  283.249151] RIP: 0010:dump_stack+0x358/0x39d
[  283.253571] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  283.272498] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  283.280279] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  283.287542] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  283.294809] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  283.302116] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  283.309413] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  283.316712]  ? dump_stack+0x34f/0x39d
[  283.320527]  ? dump_stack_print_info.cold.1+0x20/0x20
[  283.325719]  ? mark_held_locks+0x130/0x130
[  283.329949]  ? mark_held_locks+0x130/0x130
[  283.334183]  dump_header+0x27b/0xf72
[  283.337906]  ? pagefault_out_of_memory+0x197/0x197
[  283.342841]  ? __lock_acquire+0x62f/0x4c20
[  283.347074]  ? percpu_ref_get_many+0x240/0x240
[  283.351701]  ? print_usage_bug+0xc0/0xc0
[  283.355781]  ? zap_class+0x640/0x640
[  283.359500]  ? print_usage_bug+0xc0/0xc0
[  283.363573]  ? print_usage_bug+0xc0/0xc0
[  283.367648]  ? zap_class+0x640/0x640
[  283.371410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.376948]  ? find_held_lock+0x36/0x1c0
[  283.381029]  ? mark_held_locks+0xc7/0x130
[  283.385181]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  283.390280]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  283.395490]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.400090]  ? trace_hardirqs_on+0xbd/0x310
[  283.404460]  ? kasan_check_read+0x11/0x20
[  283.408619]  ? ___ratelimit+0x3b4/0x672
[  283.412594]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.417715]  ? trace_hardirqs_on+0x310/0x310
[  283.422129]  ? lock_downgrade+0x900/0x900
[  283.426305]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.431407]  ? ___ratelimit+0x3b9/0x672
[  283.435405]  ? idr_get_free+0xf70/0xf70
[  283.439394]  ? find_held_lock+0x36/0x1c0
[  283.443457]  oom_kill_process.cold.27+0x10/0x903
[  283.448209]  ? zap_class+0x640/0x640
[  283.451917]  ? check_preemption_disabled+0x48/0x280
[  283.456947]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.461869]  ? kasan_check_read+0x11/0x20
[  283.466020]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.471302]  ? oom_evaluate_task+0x540/0x540
[  283.475712]  ? find_held_lock+0x36/0x1c0
[  283.479776]  ? out_of_memory+0x974/0x1430
[  283.483924]  ? lock_downgrade+0x900/0x900
[  283.488065]  ? check_preemption_disabled+0x48/0x280
[  283.493104]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.498058]  ? kasan_check_read+0x11/0x20
[  283.502236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.507526]  ? rcu_softirq_qs+0x20/0x20
[  283.511501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.517030]  ? oom_evaluate_task+0x302/0x540
[  283.521434]  out_of_memory+0xa84/0x1430
[  283.525407]  ? oom_killer_disable+0x3a0/0x3a0
[  283.529926]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  283.534896]  ? __ww_mutex_check_waiters+0x160/0x160
[  283.539940]  __alloc_pages_slowpath+0x2354/0x2e10
[  283.544803]  ? warn_alloc+0x120/0x120
[  283.548615]  ? mark_held_locks+0x130/0x130
[  283.552849]  ? find_get_entry+0xaae/0x1120
[  283.557113]  ? filemap_map_pages+0x1a20/0x1a20
[  283.561740]  ? zap_class+0x640/0x640
[  283.565470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.571002]  ? check_preemption_disabled+0x48/0x280
[  283.576013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.581544]  ? should_fail+0x22d/0xd01
[  283.585448]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.590554]  ? zap_class+0x640/0x640
[  283.594280]  ? __lock_is_held+0xb5/0x140
[  283.598355]  ? mark_held_locks+0x130/0x130
[  283.602625]  ? lock_release+0xa00/0xa00
[  283.606604]  ? perf_trace_sched_process_exec+0x860/0x860
[  283.612067]  ? xa_load+0x2ba/0x460
[  283.615614]  ? lock_downgrade+0x900/0x900
[  283.619813]  ? __might_sleep+0x95/0x190
[  283.623802]  __alloc_pages_nodemask+0xa80/0xde0
[  283.628476]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  283.633496]  ? __page_cache_alloc+0x191/0x5c0
[  283.637985]  ? xa_load+0x2e1/0x460
[  283.641521]  ? xa_clear_mark+0x40/0x40
[  283.645438]  ? zap_class+0x640/0x640
[  283.649160]  ? zap_class+0x640/0x640
[  283.652886]  ? zap_class+0x640/0x640
[  283.656599]  ? __do_page_cache_readahead+0x663/0x810
[  283.661705]  ? find_held_lock+0x36/0x1c0
[  283.665766]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  283.671336]  alloc_pages_current+0x173/0x350
[  283.675745]  __page_cache_alloc+0x38c/0x5c0
[  283.680072]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.685011]  ? kasan_check_read+0x11/0x20
[  283.689188]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.694482]  ? generic_perform_write+0x6a0/0x6a0
[  283.699251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.704793]  ? check_preemption_disabled+0x48/0x280
[  283.709808]  filemap_fault+0x1595/0x25f0
[  283.713873]  ? __lock_page_or_retry+0xa00/0xa00
[  283.718567]  ? mark_held_locks+0x130/0x130
[  283.722812]  ? filemap_map_pages+0xd6b/0x1a20
[  283.727312]  ? lock_downgrade+0x900/0x900
[  283.731464]  ? check_preemption_disabled+0x48/0x280
[  283.736486]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.741417]  ? kasan_check_read+0x11/0x20
[  283.745559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.750834]  ? rcu_softirq_qs+0x20/0x20
[  283.754833]  ? filemap_map_pages+0xd92/0x1a20
[  283.759341]  ? find_get_entries_tag+0x1400/0x1400
[  283.764208]  ? debug_object_destroy+0x2b0/0x2b0
[  283.768881]  ? lock_pi_update_atomic+0x150/0x150
[  283.773635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.779184]  ? lock_acquire+0x1ed/0x520
[  283.783171]  ? ext4_filemap_fault+0x7a/0xad
[  283.787501]  ? lock_release+0xa00/0xa00
[  283.791489]  ? perf_trace_sched_process_exec+0x860/0x860
[  283.796950]  ? print_usage_bug+0xc0/0xc0
[  283.801010]  ? print_usage_bug+0xc0/0xc0
[  283.805091]  ? down_read+0x8d/0x120
[  283.808723]  ? ext4_filemap_fault+0x7a/0xad
[  283.813042]  ? __down_interruptible+0x700/0x700
[  283.817720]  ext4_filemap_fault+0x82/0xad
[  283.821889]  __do_fault+0x100/0x6b0
[  283.825537]  ? pmd_devmap_trans_unstable+0x220/0x220
[  283.830671]  ? mark_held_locks+0x130/0x130
[  283.834902]  ? mark_held_locks+0x130/0x130
[  283.839155]  ? debug_smp_processor_id+0x1c/0x20
[  283.843823]  ? perf_trace_lock+0x14d/0x7a0
[  283.848054]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  283.853704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.859263]  __handle_mm_fault+0x3ea0/0x5be0
[  283.863675]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  283.868527]  ? lock_is_held_type+0x210/0x210
[  283.872934]  ? file_remove_privs+0x540/0x540
[  283.877370]  ? zap_class+0x640/0x640
[  283.881074]  ? zap_class+0x640/0x640
[  283.884823]  ? __x64_sys_futex+0x53e/0x6a0
[  283.889061]  ? find_held_lock+0x36/0x1c0
[  283.893169]  ? handle_mm_fault+0x42a/0xc70
[  283.897418]  ? lock_downgrade+0x900/0x900
[  283.901575]  ? check_preemption_disabled+0x48/0x280
[  283.906587]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.911521]  ? kasan_check_read+0x11/0x20
[  283.915661]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.920951]  ? rcu_softirq_qs+0x20/0x20
[  283.924974]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.930072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.935633]  ? check_preemption_disabled+0x48/0x280
[  283.940654]  handle_mm_fault+0x54f/0xc70
[  283.944717]  ? __handle_mm_fault+0x5be0/0x5be0
[  283.949303]  ? find_vma+0x34/0x190
[  283.952850]  __do_page_fault+0x5e8/0xe60
[  283.956905]  ? trace_hardirqs_off+0xb8/0x310
[  283.961349]  do_page_fault+0xf2/0x7e0
[  283.965217]  ? vmalloc_sync_all+0x30/0x30
[  283.969392]  ? error_entry+0x70/0xd0
[  283.973111]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.978142]  ? trace_hardirqs_on_caller+0xc0/0x310
[  283.983090]  ? syscall_return_slowpath+0x5e0/0x5e0
[  283.988057]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.992908]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.997933]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.003443]  ? prepare_exit_to_usermode+0x291/0x3b0
[  284.008456]  ? page_fault+0x8/0x30
[  284.011997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.016834]  ? page_fault+0x8/0x30
[  284.020376]  page_fault+0x1e/0x30
[  284.024441] RIP: 0033:0x40f9c0
[  284.027691] Code: Bad RIP value.
[  284.031054] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  284.036427] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  284.043692] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  284.050975] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  284.058247] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  284.065516] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  284.072824] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  284.072829] warn_alloc_show_mem: 1 callbacks suppressed
[  284.072837] Mem-Info:
[  284.080026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.085396] active_anon:50082 inactive_anon:201 isolated_anon:0
[  284.085396]  active_file:11 inactive_file:13 isolated_file:0
[  284.085396]  unevictable:0 dirty:0 writeback:0 unstable:0
[  284.085396]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  284.085396]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  284.085396]  free:13738 free_pcp:300 free_cma:0
[  284.087771] Call Trace:
[  284.097167] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  284.130009]  <IRQ>
[  284.132577] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  284.160078]  dump_stack+0x244/0x39d
[  284.162212] lowmem_reserve[]: 0 2818 6321 6321
[  284.188312]  ? dump_stack_print_info.cold.1+0x20/0x20
[  284.191908] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  284.196497]  warn_alloc.cold.116+0xb7/0x1bd
[  284.201671] lowmem_reserve[]: 0 0 3503 3503
[  284.229257]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.233564] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  284.237879]  ? lock_downgrade+0x900/0x900
[  284.242697] lowmem_reserve[]: 0 0 0 0
[  284.271581]  ? trace_hardirqs_off+0xb8/0x310
[  284.275735] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  284.279575]  ? trace_hardirqs_off+0xb8/0x310
[  284.283996] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  284.297522]  __alloc_pages_slowpath+0x26e8/0x2e10
[  284.301903] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  284.317148]  ? warn_alloc+0x120/0x120
[  284.321955] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  284.336520]  ? print_usage_bug+0xc0/0xc0
[  284.340306] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  284.349146]  ? warn_alloc+0x120/0x120
[  284.353185] 268 total pagecache pages
[  284.361757]  ? warn_alloc+0x120/0x120
[  284.365540] 0 pages in swap cache
[  284.369328]  ? print_usage_bug+0xc0/0xc0
[  284.373120] Swap cache stats: add 0, delete 0, find 0/0
[  284.376565]  ? kvm_clock_read+0x18/0x30
[  284.380602] Free swap  = 0kB
[  284.385956]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  284.389915] Total swap = 0kB
[  284.392938]  ? print_usage_bug+0xc0/0xc0
[  284.397930] 1965979 pages RAM
[  284.400941]  ? __lock_acquire+0x62f/0x4c20
[  284.405009] 0 pages HighMem/MovableOnly
[  284.408112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.412322] 342853 pages reserved
[  284.416283]  ? should_fail+0x22d/0xd01
[  284.421785] 0 pages cma reserved
[  284.425225]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.429165] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.432445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.437781] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.444174]  ? __lock_acquire+0x62f/0x4c20
[  284.449400] syz-fuzzer cpuset=/ mems_allowed=0
[  284.459644]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.473513]  ? __lock_acquire+0x62f/0x4c20
[  284.477739]  ? should_fail+0x22d/0xd01
[  284.481621]  ? rcu_irq_exit+0x1a2/0x390
[  284.485644]  ? mark_held_locks+0x130/0x130
[  284.489883]  ? mark_held_locks+0x130/0x130
[  284.494168]  ? mark_held_locks+0xc7/0x130
[  284.498350]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  284.503368]  ? zap_class+0x640/0x640
[  284.507086]  ? print_usage_bug+0xc0/0xc0
[  284.511179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.516728]  ? check_preemption_disabled+0x48/0x280
[  284.521755]  ? __lock_is_held+0xb5/0x140
[  284.525823]  __alloc_pages_nodemask+0xa80/0xde0
[  284.530491]  ? zap_class+0x640/0x640
[  284.534225]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  284.539283]  ? find_held_lock+0x36/0x1c0
[  284.543372]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.548058]  ? lock_downgrade+0x900/0x900
[  284.552218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.557776]  cache_grow_begin+0xa5/0x8c0
[  284.561838]  ? do_raw_spin_unlock+0xa7/0x330
[  284.566269]  fallback_alloc+0x204/0x2e0
[  284.570250]  ____cache_alloc_node+0x1c7/0x1e0
[  284.574763]  kmem_cache_alloc_node+0xe3/0x730
[  284.579262]  ? ipv6_get_ifaddr+0x42e/0x620
[  284.583548]  __alloc_skb+0x119/0x770
[  284.587287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.592581]  ? netdev_alloc_frag+0x1f0/0x1f0
[  284.596988]  ? lock_downgrade+0x900/0x900
[  284.601174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.606725]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.612207]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.617655]  ? addrconf_rs_timer+0x690/0x690
[  284.622074]  ndisc_alloc_skb+0x144/0x340
[  284.626146]  ndisc_send_rs+0x331/0x6e0
[  284.630036]  addrconf_rs_timer+0x314/0x690
[  284.634290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.638545]  call_timer_fn+0x272/0x920
[  284.642442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.646702]  ? process_timeout+0x40/0x40
[  284.650763]  ? __run_timers+0x7da/0xc70
[  284.654748]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.659234]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.663737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.667967]  ? lockdep_hardirqs_on+0x296/0x5b0
[  284.672578]  ? trace_hardirqs_on+0xbd/0x310
[  284.676894]  ? kasan_check_read+0x11/0x20
[  284.681031]  ? __run_timers+0x7da/0xc70
[  284.684998]  ? trace_hardirqs_off_caller+0x310/0x310
[  284.690123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.694361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.698596]  __run_timers+0x7e5/0xc70
[  284.702418]  ? timer_fixup_init+0x70/0x70
[  284.706563]  ? kasan_check_read+0x11/0x20
[  284.710709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.715980]  ? rcu_softirq_qs+0x20/0x20
[  284.719950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.725482]  ? check_preemption_disabled+0x48/0x280
[  284.730527]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.735282]  ? retint_kernel+0x2d/0x2d
[  284.739168]  ? trace_hardirqs_on_caller+0xc0/0x310
[  284.744104]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.748868]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.754322]  ? zap_class+0x640/0x640
[  284.758039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.763576]  ? check_preemption_disabled+0x48/0x280
[  284.768617]  ? __lock_is_held+0xb5/0x140
[  284.772684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.778252]  ? check_preemption_disabled+0x48/0x280
[  284.783278]  run_timer_softirq+0x52/0xb0
[  284.787343]  ? rcu_read_lock_sched_held+0x14f/0x180
[  284.792364]  __do_softirq+0x308/0xb7e
[  284.796172]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.800682]  ? lock_downgrade+0x900/0x900
[  284.804852]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  284.809965]  ? pvclock_read_flags+0x160/0x160
[  284.814470]  ? lapic_next_event+0x5a/0x90
[  284.818677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.824227]  ? kvm_clock_read+0x18/0x30
[  284.828203]  ? kvm_sched_clock_read+0x9/0x20
[  284.832616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.838159]  ? check_preemption_disabled+0x48/0x280
[  284.843190]  irq_exit+0x17f/0x1c0
[  284.846649]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.851524]  ? smp_reschedule_interrupt+0x109/0x650
[  284.856584]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.862493]  ? interrupt_entry+0xb5/0xc0
[  284.866565]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.871601]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.876668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.881537]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.886579]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.891615]  ? task_prio+0x50/0x50
[  284.895168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.900716]  ? check_preemption_disabled+0x48/0x280
[  284.905751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.910627]  apic_timer_interrupt+0xf/0x20
[  284.914862]  </IRQ>
[  284.917128] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.922066] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  284.940998] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  284.948736] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  284.956022] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  284.963292] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  284.970573] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  284.977869] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  284.985199]  skb_clone+0x1bb/0x500
[  284.988752]  ? finish_task_switch+0x1b4/0x910
[  284.993268]  ? skb_split+0x11e0/0x11e0
[  284.997234]  ? preempt_notifier_register+0x200/0x200
[  285.002369]  ? __switch_to_asm+0x34/0x70
[  285.006476]  ? __switch_to_asm+0x34/0x70
[  285.010553]  ? __switch_to_asm+0x40/0x70
[  285.014631]  ? __switch_to_asm+0x34/0x70
[  285.018723]  ? __switch_to_asm+0x40/0x70
[  285.022814]  ? __switch_to_asm+0x34/0x70
[  285.026902]  ? __switch_to_asm+0x40/0x70
[  285.030980]  ? __switch_to_asm+0x34/0x70
[  285.035090]  ? __switch_to_asm+0x34/0x70
[  285.039193]  ? __switch_to_asm+0x40/0x70
[  285.043274]  ? __switch_to_asm+0x34/0x70
[  285.047372]  bpf_clone_redirect+0xb9/0x490
[  285.051635]  ? __schedule+0x8d7/0x21d0
[  285.055542]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  285.060587]  ? __sched_text_start+0x8/0x8
[  285.064766]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  285.069367]  ? retint_kernel+0x2d/0x2d
[  285.073292]  ? trace_hardirqs_on_caller+0xc0/0x310
[  285.078259]  ? find_held_lock+0x36/0x1c0
[  285.082334]  ? lock_acquire+0x1ed/0x520
[  285.086324]  ? bpf_test_run+0x3cb/0x780
[  285.090308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.095855]  ? check_preemption_disabled+0x48/0x280
[  285.100886]  ? kasan_check_read+0x11/0x20
[  285.105035]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.110341]  ? rcu_softirq_qs+0x20/0x20
[  285.114340]  ? preempt_schedule+0x4d/0x60
[  285.118518]  ? ___preempt_schedule+0x16/0x18
[  285.122974]  ? bpf_test_run+0x25d/0x780
[  285.127100]  ? netlink_diag_dump+0x2a0/0x2a0
[  285.131533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.137108]  ? bpf_test_init.isra.10+0x70/0x100
[  285.141811]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  285.146606]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  285.151492]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  285.157069]  ? fput+0x130/0x1a0
[  285.160373]  ? __bpf_prog_get+0x9b/0x290
[  285.164462]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  285.169340]  ? bpf_prog_test_run+0x130/0x1a0
[  285.173803]  ? __x64_sys_bpf+0x3d8/0x520
[  285.177886]  ? bpf_prog_get+0x20/0x20
[  285.181736]  ? do_syscall_64+0x1b9/0x820
[  285.185821]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  285.191229]  ? syscall_return_slowpath+0x5e0/0x5e0
[  285.196200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.201073]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.206151]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  285.211195]  ? prepare_exit_to_usermode+0x291/0x3b0
[  285.216232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.221094]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  285.226482] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  285.226573] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.233425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.233431] Call Trace:
[  285.233438]  <IRQ>
[  285.233461]  dump_stack+0x244/0x39d
[  285.233478]  ? dump_stack_print_info.cold.1+0x20/0x20
[  285.233503]  warn_alloc.cold.116+0xb7/0x1bd
[  285.240132] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.249418]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.251998] syz-executor3 cpuset=syz3 mems_allowed=0
[  285.254171]  ? lock_downgrade+0x900/0x900
[  285.291921]  ? trace_hardirqs_off+0xb8/0x310
[  285.296376]  ? trace_hardirqs_off+0xb8/0x310
[  285.300843]  __alloc_pages_slowpath+0x26e8/0x2e10
[  285.305770]  ? warn_alloc+0x120/0x120
[  285.309610]  ? print_usage_bug+0xc0/0xc0
[  285.313704]  ? warn_alloc+0x120/0x120
[  285.317540]  ? warn_alloc+0x120/0x120
[  285.321374]  ? print_usage_bug+0xc0/0xc0
[  285.325463]  ? kvm_clock_read+0x18/0x30
[  285.329466]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  285.334521]  ? print_usage_bug+0xc0/0xc0
[  285.338630]  ? __lock_acquire+0x62f/0x4c20
[  285.342927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.348503]  ? should_fail+0x22d/0xd01
[  285.352399]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.357684]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.362799]  ? __lock_acquire+0x62f/0x4c20
[  285.367048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.372190]  ? __lock_acquire+0x62f/0x4c20
[  285.376442]  ? should_fail+0x22d/0xd01
[  285.380360]  ? rcu_irq_exit+0x1a2/0x390
[  285.384368]  ? mark_held_locks+0x130/0x130
[  285.388634]  ? mark_held_locks+0x130/0x130
[  285.392918]  ? mark_held_locks+0xc7/0x130
[  285.397106]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  285.402158]  ? zap_class+0x640/0x640
[  285.405879]  ? print_usage_bug+0xc0/0xc0
[  285.409989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.415558]  ? check_preemption_disabled+0x48/0x280
[  285.420612]  ? __lock_is_held+0xb5/0x140
[  285.424699]  __alloc_pages_nodemask+0xa80/0xde0
[  285.429384]  ? zap_class+0x640/0x640
[  285.433126]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  285.438170]  ? find_held_lock+0x36/0x1c0
[  285.442252]  ? ____cache_alloc_node+0x1c7/0x1e0
[  285.446939]  ? lock_downgrade+0x900/0x900
[  285.451125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.456689]  cache_grow_begin+0xa5/0x8c0
[  285.460756]  ? do_raw_spin_unlock+0xa7/0x330
[  285.465192]  fallback_alloc+0x204/0x2e0
[  285.469196]  ____cache_alloc_node+0x1c7/0x1e0
[  285.473707]  kmem_cache_alloc_node+0xe3/0x730
[  285.478218]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.482468]  __alloc_skb+0x119/0x770
[  285.486179]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.491465]  ? netdev_alloc_frag+0x1f0/0x1f0
[  285.495871]  ? lock_downgrade+0x900/0x900
[  285.500025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.505559]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.511037]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.516612]  ? addrconf_rs_timer+0x690/0x690
[  285.521029]  ndisc_alloc_skb+0x144/0x340
[  285.525137]  ndisc_send_rs+0x331/0x6e0
[  285.529033]  addrconf_rs_timer+0x314/0x690
[  285.533289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.537535]  call_timer_fn+0x272/0x920
[  285.541457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.545693]  ? process_timeout+0x40/0x40
[  285.549787]  ? mark_held_locks+0xc7/0x130
[  285.553931]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.558423]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.562916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.567151]  ? lockdep_hardirqs_on+0x296/0x5b0
[  285.571747]  ? trace_hardirqs_on+0xbd/0x310
[  285.576070]  ? kasan_check_read+0x11/0x20
[  285.580241]  ? __run_timers+0x7da/0xc70
[  285.584236]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.589352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.593623]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.597870]  __run_timers+0x7e5/0xc70
[  285.601677]  ? timer_fixup_init+0x70/0x70
[  285.605833]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.610876]  ? zap_class+0x640/0x640
[  285.614702]  ? print_usage_bug+0xc0/0xc0
[  285.618763]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  285.623956]  ? find_held_lock+0x36/0x1c0
[  285.628018]  ? zap_class+0x640/0x640
[  285.631801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.637417]  ? check_preemption_disabled+0x48/0x280
[  285.642454]  ? __lock_is_held+0xb5/0x140
[  285.646517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.652071]  ? check_preemption_disabled+0x48/0x280
[  285.657133]  run_timer_softirq+0x52/0xb0
[  285.661195]  ? rcu_read_lock_sched_held+0x14f/0x180
[  285.666229]  __do_softirq+0x308/0xb7e
[  285.670030]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  285.674524]  ? lock_downgrade+0x900/0x900
[  285.678703]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  285.683836]  ? pvclock_read_flags+0x160/0x160
[  285.688344]  ? lapic_next_event+0x5a/0x90
[  285.692514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.698060]  ? kvm_clock_read+0x18/0x30
[  285.702056]  ? kvm_sched_clock_read+0x9/0x20
[  285.706562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.712126]  ? check_preemption_disabled+0x48/0x280
[  285.717163]  irq_exit+0x17f/0x1c0
[  285.720637]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.725492]  ? smp_reschedule_interrupt+0x109/0x650
[  285.730528]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.736415]  ? interrupt_entry+0xb5/0xc0
[  285.740491]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.745536]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.750555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.755400]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.760433]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.765457]  ? task_prio+0x50/0x50
[  285.769024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.774570]  ? check_preemption_disabled+0x48/0x280
[  285.779612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.784478]  apic_timer_interrupt+0xf/0x20
[  285.788738]  </IRQ>
[  285.790978] RIP: 0010:dump_stack+0x358/0x39d
[  285.795408] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  285.814341] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  285.822056] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  285.829342] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  285.836696] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  285.843966] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  285.851234] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  285.858534]  ? dump_stack+0x34f/0x39d
[  285.862369]  ? dump_stack_print_info.cold.1+0x20/0x20
[  285.867576]  ? mark_held_locks+0x130/0x130
[  285.871851]  ? mark_held_locks+0x130/0x130
[  285.876131]  dump_header+0x27b/0xf72
[  285.879873]  ? pagefault_out_of_memory+0x197/0x197
[  285.884834]  ? __lock_acquire+0x62f/0x4c20
[  285.889075]  ? percpu_ref_get_many+0x240/0x240
[  285.893679]  ? print_usage_bug+0xc0/0xc0
[  285.897756]  ? zap_class+0x640/0x640
[  285.901475]  ? print_usage_bug+0xc0/0xc0
[  285.905542]  ? print_usage_bug+0xc0/0xc0
[  285.909609]  ? zap_class+0x640/0x640
[  285.913330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.918876]  ? find_held_lock+0x36/0x1c0
[  285.922953]  ? mark_held_locks+0xc7/0x130
[  285.927118]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  285.932227]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  285.937337]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  285.941929]  ? trace_hardirqs_on+0xbd/0x310
[  285.946255]  ? kasan_check_read+0x11/0x20
[  285.950406]  ? ___ratelimit+0x3b4/0x672
[  285.954405]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.959516]  ? trace_hardirqs_on+0x310/0x310
[  285.963932]  ? lock_downgrade+0x900/0x900
[  285.968119]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.973226]  ? ___ratelimit+0x3b9/0x672
[  285.977206]  ? idr_get_free+0xf70/0xf70
[  285.981211]  ? find_held_lock+0x36/0x1c0
[  285.985286]  oom_kill_process.cold.27+0x10/0x903
[  285.990079]  ? zap_class+0x640/0x640
[  285.993864]  ? check_preemption_disabled+0x48/0x280
[  285.998903]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.003852]  ? kasan_check_read+0x11/0x20
[  286.008006]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.013290]  ? oom_evaluate_task+0x540/0x540
[  286.017704]  ? find_held_lock+0x36/0x1c0
[  286.021780]  ? out_of_memory+0x974/0x1430
[  286.025959]  ? lock_downgrade+0x900/0x900
[  286.030173]  ? check_preemption_disabled+0x48/0x280
[  286.035214]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.040155]  ? kasan_check_read+0x11/0x20
[  286.044305]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.049581]  ? rcu_softirq_qs+0x20/0x20
[  286.053558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.059105]  ? oom_evaluate_task+0x302/0x540
[  286.063543]  out_of_memory+0xa84/0x1430
[  286.067535]  ? oom_killer_disable+0x3a0/0x3a0
[  286.072038]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  286.076984]  ? __ww_mutex_check_waiters+0x160/0x160
[  286.082031]  __alloc_pages_slowpath+0x2354/0x2e10
[  286.086908]  ? warn_alloc+0x120/0x120
[  286.090715]  ? mark_held_locks+0x130/0x130
[  286.094955]  ? find_get_entry+0xaae/0x1120
[  286.099197]  ? filemap_map_pages+0x1a20/0x1a20
[  286.103784]  ? zap_class+0x640/0x640
[  286.107508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.113048]  ? check_preemption_disabled+0x48/0x280
[  286.118060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.123615]  ? should_fail+0x22d/0xd01
[  286.127528]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.132637]  ? zap_class+0x640/0x640
[  286.136385]  ? __lock_is_held+0xb5/0x140
[  286.140498]  ? mark_held_locks+0x130/0x130
[  286.144736]  ? lock_release+0xa00/0xa00
[  286.148714]  ? perf_trace_sched_process_exec+0x860/0x860
[  286.154167]  ? xa_load+0x2ba/0x460
[  286.157706]  ? lock_downgrade+0x900/0x900
[  286.161858]  ? __might_sleep+0x95/0x190
[  286.165835]  __alloc_pages_nodemask+0xa80/0xde0
[  286.170515]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  286.175533]  ? __page_cache_alloc+0x191/0x5c0
[  286.180027]  ? xa_load+0x2e1/0x460
[  286.183571]  ? xa_clear_mark+0x40/0x40
[  286.187522]  ? zap_class+0x640/0x640
[  286.191251]  ? zap_class+0x640/0x640
[  286.194969]  ? zap_class+0x640/0x640
[  286.198706]  ? __do_page_cache_readahead+0x663/0x810
[  286.203863]  ? find_held_lock+0x36/0x1c0
[  286.207946]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  286.213534]  alloc_pages_current+0x173/0x350
[  286.217970]  __page_cache_alloc+0x38c/0x5c0
[  286.222326]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.227260]  ? kasan_check_read+0x11/0x20
[  286.231432]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.236749]  ? generic_perform_write+0x6a0/0x6a0
[  286.241511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.247054]  ? check_preemption_disabled+0x48/0x280
[  286.252101]  filemap_fault+0x1595/0x25f0
[  286.256199]  ? __lock_page_or_retry+0xa00/0xa00
[  286.260877]  ? mark_held_locks+0x130/0x130
[  286.265127]  ? filemap_map_pages+0xd6b/0x1a20
[  286.269630]  ? lock_downgrade+0x900/0x900
[  286.273781]  ? check_preemption_disabled+0x48/0x280
[  286.278802]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.283731]  ? kasan_check_read+0x11/0x20
[  286.287878]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.293217]  ? rcu_softirq_qs+0x20/0x20
[  286.297212]  ? filemap_map_pages+0xd92/0x1a20
[  286.301730]  ? find_get_entries_tag+0x1400/0x1400
[  286.306581]  ? debug_object_destroy+0x2b0/0x2b0
[  286.311269]  ? lock_pi_update_atomic+0x150/0x150
[  286.316039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.322186]  ? lock_acquire+0x1ed/0x520
[  286.326183]  ? ext4_filemap_fault+0x7a/0xad
[  286.330551]  ? lock_release+0xa00/0xa00
[  286.334549]  ? perf_trace_sched_process_exec+0x860/0x860
[  286.340037]  ? print_usage_bug+0xc0/0xc0
[  286.344155]  ? print_usage_bug+0xc0/0xc0
[  286.348272]  ? down_read+0x8d/0x120
[  286.351921]  ? ext4_filemap_fault+0x7a/0xad
[  286.356278]  ? __down_interruptible+0x700/0x700
[  286.361004]  ext4_filemap_fault+0x82/0xad
[  286.365226]  __do_fault+0x100/0x6b0
[  286.368897]  ? pmd_devmap_trans_unstable+0x220/0x220
[  286.374032]  ? mark_held_locks+0x130/0x130
[  286.378300]  ? mark_held_locks+0x130/0x130
[  286.382574]  ? debug_smp_processor_id+0x1c/0x20
[  286.387301]  ? perf_trace_lock+0x14d/0x7a0
[  286.391585]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  286.397236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.402822]  __handle_mm_fault+0x3ea0/0x5be0
[  286.407268]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  286.412150]  ? lock_is_held_type+0x210/0x210
[  286.416587]  ? file_remove_privs+0x540/0x540
[  286.421013]  ? zap_class+0x640/0x640
[  286.424748]  ? zap_class+0x640/0x640
[  286.428463]  ? __x64_sys_futex+0x53e/0x6a0
[  286.432707]  ? find_held_lock+0x36/0x1c0
[  286.436782]  ? handle_mm_fault+0x42a/0xc70
[  286.441038]  ? lock_downgrade+0x900/0x900
[  286.445192]  ? check_preemption_disabled+0x48/0x280
[  286.450433]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.455379]  ? kasan_check_read+0x11/0x20
[  286.459560]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.464837]  ? rcu_softirq_qs+0x20/0x20
[  286.468814]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.473926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.479466]  ? check_preemption_disabled+0x48/0x280
[  286.484495]  handle_mm_fault+0x54f/0xc70
[  286.488566]  ? __handle_mm_fault+0x5be0/0x5be0
[  286.493161]  ? find_vma+0x34/0x190
[  286.496742]  __do_page_fault+0x5e8/0xe60
[  286.500807]  ? trace_hardirqs_off+0xb8/0x310
[  286.505241]  do_page_fault+0xf2/0x7e0
[  286.509047]  ? vmalloc_sync_all+0x30/0x30
[  286.513199]  ? error_entry+0x70/0xd0
[  286.516923]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.521942]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.526877]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.531812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.536658]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.541676]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.547137]  ? prepare_exit_to_usermode+0x291/0x3b0
[  286.552169]  ? page_fault+0x8/0x30
[  286.555767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.560651]  ? page_fault+0x8/0x30
[  286.564217]  page_fault+0x1e/0x30
[  286.567687] RIP: 0033:0x40f9c0
[  286.570922] Code: Bad RIP value.
[  286.574285] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  286.579664] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  286.586933] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  286.594203] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  286.601472] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  286.608742] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  286.616045] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  286.616051] warn_alloc_show_mem: 1 callbacks suppressed
[  286.616058] Mem-Info:
[  286.623263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.628654] active_anon:50082 inactive_anon:201 isolated_anon:0
[  286.628654]  active_file:11 inactive_file:13 isolated_file:0
[  286.628654]  unevictable:0 dirty:0 writeback:0 unstable:0
[  286.628654]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  286.628654]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  286.628654]  free:13738 free_pcp:300 free_cma:0
[  286.631046] Call Trace:
[  286.640463] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  286.673342]  <IRQ>
[  286.675923] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  286.703444]  dump_stack+0x244/0x39d
[  286.705568] lowmem_reserve[]: 0 2818 6321 6321
[  286.731686]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.735366] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  286.739953]  warn_alloc.cold.116+0xb7/0x1bd
[  286.745131] lowmem_reserve[]: 0 0 3503 3503
[  286.772720]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.777014] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  286.781361]  ? lock_downgrade+0x900/0x900
[  286.786173] lowmem_reserve[]: 0 0 0 0
[  286.815062]  ? trace_hardirqs_off+0xb8/0x310
[  286.819226] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  286.823023]  ? trace_hardirqs_off+0xb8/0x310
[  286.827405] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  286.840958]  __alloc_pages_slowpath+0x26e8/0x2e10
[  286.845354] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  286.860476]  ? warn_alloc+0x120/0x120
[  286.865278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  286.879842]  ? print_usage_bug+0xc0/0xc0
[  286.883640] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  286.892496]  ? warn_alloc+0x120/0x120
[  286.896534] 268 total pagecache pages
[  286.905108]  ? warn_alloc+0x120/0x120
[  286.908892] 0 pages in swap cache
[  286.912679]  ? print_usage_bug+0xc0/0xc0
[  286.916455] Swap cache stats: add 0, delete 0, find 0/0
[  286.919896]  ? print_usage_bug+0xc0/0xc0
[  286.923935] Free swap  = 0kB
[  286.929289]  ? __lock_acquire+0x62f/0x4c20
[  286.933328] Total swap = 0kB
[  286.936385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.940594] 1965979 pages RAM
[  286.940599] 0 pages HighMem/MovableOnly
[  286.943619]  ? should_fail+0x22d/0xd01
[  286.949134] 342853 pages reserved
[  286.952251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.956211] 0 pages cma reserved
[  286.960114]  ? __lock_acquire+0x62f/0x4c20
[  286.963625] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.968647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.972078] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.976253]  ? __lock_acquire+0x62f/0x4c20
[  286.982733] syz-fuzzer cpuset=/ mems_allowed=0
[  286.987841]  ? should_fail+0x22d/0xd01
[  287.010806]  ? find_held_lock+0x36/0x1c0
[  287.014890]  ? mark_held_locks+0x130/0x130
[  287.019131]  ? mark_held_locks+0x130/0x130
[  287.023375]  ? zap_class+0x640/0x640
[  287.027100]  ? zap_class+0x640/0x640
[  287.030818]  ? print_usage_bug+0xc0/0xc0
[  287.034877]  ? do_raw_spin_unlock+0xa7/0x330
[  287.039293]  ? zap_class+0x640/0x640
[  287.043008]  ? print_usage_bug+0xc0/0xc0
[  287.047076]  ? wq_watchdog_touch+0x9c/0xfe
[  287.051346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.056898]  ? check_preemption_disabled+0x48/0x280
[  287.061962]  ? __lock_is_held+0xb5/0x140
[  287.066038]  __alloc_pages_nodemask+0xa80/0xde0
[  287.070712]  ? zap_class+0x640/0x640
[  287.074437]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  287.079488]  ? find_held_lock+0x36/0x1c0
[  287.083569]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.088270]  ? lock_downgrade+0x900/0x900
[  287.092438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.097993]  cache_grow_begin+0xa5/0x8c0
[  287.102061]  ? do_raw_spin_unlock+0xa7/0x330
[  287.106505]  fallback_alloc+0x204/0x2e0
[  287.110501]  ____cache_alloc_node+0x1c7/0x1e0
[  287.115017]  kmem_cache_alloc_node+0xe3/0x730
[  287.119535]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.123784]  __alloc_skb+0x119/0x770
[  287.127502]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.132785]  ? netdev_alloc_frag+0x1f0/0x1f0
[  287.137197]  ? lock_downgrade+0x900/0x900
[  287.141387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.146931]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.152390]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.157862]  ? addrconf_rs_timer+0x690/0x690
[  287.162320]  ndisc_alloc_skb+0x144/0x340
[  287.166403]  ndisc_send_rs+0x331/0x6e0
[  287.170305]  addrconf_rs_timer+0x314/0x690
[  287.174548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.178797]  call_timer_fn+0x272/0x920
[  287.182703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.186967]  ? process_timeout+0x40/0x40
[  287.191043]  ? __run_timers+0x7da/0xc70
[  287.195062]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.199640]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.204178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.208428]  ? lockdep_hardirqs_on+0x296/0x5b0
[  287.213014]  ? trace_hardirqs_on+0xbd/0x310
[  287.217354]  ? kasan_check_read+0x11/0x20
[  287.221517]  ? __run_timers+0x7da/0xc70
[  287.225535]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.230641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.234884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.239153]  __run_timers+0x7e5/0xc70
[  287.242962]  ? timer_fixup_init+0x70/0x70
[  287.247117]  ? kasan_check_read+0x11/0x20
[  287.251266]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.256544]  ? rcu_softirq_qs+0x20/0x20
[  287.260522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.266063]  ? check_preemption_disabled+0x48/0x280
[  287.271129]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.275892]  ? retint_kernel+0x2d/0x2d
[  287.279783]  ? trace_hardirqs_on_caller+0xc0/0x310
[  287.284720]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.289484]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.294940]  ? zap_class+0x640/0x640
[  287.298659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.304216]  ? check_preemption_disabled+0x48/0x280
[  287.309249]  ? __lock_is_held+0xb5/0x140
[  287.313319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.318860]  ? check_preemption_disabled+0x48/0x280
[  287.323884]  run_timer_softirq+0x52/0xb0
[  287.327948]  ? rcu_read_lock_sched_held+0x14f/0x180
[  287.332972]  __do_softirq+0x308/0xb7e
[  287.336780]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  287.341276]  ? lock_downgrade+0x900/0x900
[  287.345441]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  287.350560]  ? pvclock_read_flags+0x160/0x160
[  287.355191]  ? lapic_next_event+0x5a/0x90
[  287.359349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.364899]  ? kvm_clock_read+0x18/0x30
[  287.368894]  ? kvm_sched_clock_read+0x9/0x20
[  287.373308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.378858]  ? check_preemption_disabled+0x48/0x280
[  287.383901]  irq_exit+0x17f/0x1c0
[  287.387379]  smp_apic_timer_interrupt+0x1cb/0x760
[  287.392225]  ? smp_reschedule_interrupt+0x109/0x650
[  287.397252]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.403149]  ? interrupt_entry+0xb5/0xc0
[  287.407224]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.412244]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.417268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.422126]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.427149]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.432179]  ? task_prio+0x50/0x50
[  287.435725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.441279]  ? check_preemption_disabled+0x48/0x280
[  287.446338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.451193]  apic_timer_interrupt+0xf/0x20
[  287.455423]  </IRQ>
[  287.457659] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  287.462587] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  287.481484] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  287.489189] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  287.496470] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  287.503745] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  287.511017] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  287.518287] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  287.525612]  skb_clone+0x1bb/0x500
[  287.529164]  ? finish_task_switch+0x1b4/0x910
[  287.533673]  ? skb_split+0x11e0/0x11e0
[  287.537579]  ? preempt_notifier_register+0x200/0x200
[  287.542689]  ? __switch_to_asm+0x34/0x70
[  287.546750]  ? __switch_to_asm+0x34/0x70
[  287.550809]  ? __switch_to_asm+0x40/0x70
[  287.554873]  ? __switch_to_asm+0x34/0x70
[  287.558937]  ? __switch_to_asm+0x40/0x70
[  287.563000]  ? __switch_to_asm+0x34/0x70
[  287.567064]  ? __switch_to_asm+0x40/0x70
[  287.571149]  ? __switch_to_asm+0x34/0x70
[  287.575214]  ? __switch_to_asm+0x34/0x70
[  287.579276]  ? __switch_to_asm+0x40/0x70
[  287.583343]  ? __switch_to_asm+0x34/0x70
[  287.587415]  bpf_clone_redirect+0xb9/0x490
[  287.591671]  ? __schedule+0x8d7/0x21d0
[  287.595598]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  287.600643]  ? __sched_text_start+0x8/0x8
[  287.604809]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  287.609414]  ? retint_kernel+0x2d/0x2d
[  287.613314]  ? trace_hardirqs_on_caller+0xc0/0x310
[  287.618279]  ? find_held_lock+0x36/0x1c0
[  287.622355]  ? lock_acquire+0x1ed/0x520
[  287.626337]  ? bpf_test_run+0x3cb/0x780
[  287.630336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.635910]  ? check_preemption_disabled+0x48/0x280
[  287.640969]  ? kasan_check_read+0x11/0x20
[  287.645132]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.650428]  ? rcu_softirq_qs+0x20/0x20
[  287.654415]  ? preempt_schedule+0x4d/0x60
[  287.658571]  ? ___preempt_schedule+0x16/0x18
[  287.663003]  ? bpf_test_run+0x25d/0x780
[  287.667016]  ? netlink_diag_dump+0x2a0/0x2a0
[  287.671432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.676991]  ? bpf_test_init.isra.10+0x70/0x100
[  287.681666]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  287.686438]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  287.691286]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  287.696829]  ? fput+0x130/0x1a0
[  287.700129]  ? __bpf_prog_get+0x9b/0x290
[  287.704199]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  287.709064]  ? bpf_prog_test_run+0x130/0x1a0
[  287.713491]  ? __x64_sys_bpf+0x3d8/0x520
[  287.717558]  ? bpf_prog_get+0x20/0x20
[  287.721388]  ? do_syscall_64+0x1b9/0x820
[  287.725462]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  287.730836]  ? syscall_return_slowpath+0x5e0/0x5e0
[  287.735777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.740635]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.745654]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  287.750690]  ? prepare_exit_to_usermode+0x291/0x3b0
[  287.755720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.760587]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  287.765994] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  287.766093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.772938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.772950] Call Trace:
[  287.779618] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.788816]  <IRQ>
[  287.791407] syz-executor3 cpuset=syz3 mems_allowed=0
[  287.801912]  dump_stack+0x244/0x39d
[  287.812790]  ? dump_stack_print_info.cold.1+0x20/0x20
[  287.818036]  warn_alloc.cold.116+0xb7/0x1bd
[  287.822390]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.827264]  ? lock_downgrade+0x900/0x900
[  287.831485]  ? trace_hardirqs_off+0xb8/0x310
[  287.835927]  ? trace_hardirqs_off+0xb8/0x310
[  287.840370]  __alloc_pages_slowpath+0x26e8/0x2e10
[  287.845269]  ? warn_alloc+0x120/0x120
[  287.849106]  ? print_usage_bug+0xc0/0xc0
[  287.853191]  ? warn_alloc+0x120/0x120
[  287.857023]  ? warn_alloc+0x120/0x120
[  287.860866]  ? print_usage_bug+0xc0/0xc0
[  287.864953]  ? print_usage_bug+0xc0/0xc0
[  287.869032]  ? __lock_acquire+0x62f/0x4c20
[  287.873292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.878840]  ? should_fail+0x22d/0xd01
[  287.882737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.887845]  ? __lock_acquire+0x62f/0x4c20
[  287.892102]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.897230]  ? __lock_acquire+0x62f/0x4c20
[  287.901471]  ? should_fail+0x22d/0xd01
[  287.905369]  ? find_held_lock+0x36/0x1c0
[  287.909457]  ? mark_held_locks+0x130/0x130
[  287.913739]  ? mark_held_locks+0x130/0x130
[  287.917980]  ? zap_class+0x640/0x640
[  287.921701]  ? zap_class+0x640/0x640
[  287.925421]  ? print_usage_bug+0xc0/0xc0
[  287.929489]  ? do_raw_spin_unlock+0xa7/0x330
[  287.933924]  ? zap_class+0x640/0x640
[  287.937646]  ? print_usage_bug+0xc0/0xc0
[  287.941718]  ? wq_watchdog_touch+0x9c/0xfe
[  287.945966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.951538]  ? check_preemption_disabled+0x48/0x280
[  287.956578]  ? __lock_is_held+0xb5/0x140
[  287.960683]  __alloc_pages_nodemask+0xa80/0xde0
[  287.965378]  ? zap_class+0x640/0x640
[  287.969157]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  287.974240]  ? find_held_lock+0x36/0x1c0
[  287.978343]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.983057]  ? lock_downgrade+0x900/0x900
[  287.987289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.992874]  cache_grow_begin+0xa5/0x8c0
[  287.996957]  ? do_raw_spin_unlock+0xa7/0x330
[  288.001400]  fallback_alloc+0x204/0x2e0
[  288.005417]  ____cache_alloc_node+0x1c7/0x1e0
[  288.009954]  kmem_cache_alloc_node+0xe3/0x730
[  288.014477]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.018744]  __alloc_skb+0x119/0x770
[  288.022512]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.027875]  ? netdev_alloc_frag+0x1f0/0x1f0
[  288.032295]  ? lock_downgrade+0x900/0x900
[  288.036462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.042007]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.047465]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.052924]  ? addrconf_rs_timer+0x690/0x690
[  288.057357]  ndisc_alloc_skb+0x144/0x340
[  288.061455]  ndisc_send_rs+0x331/0x6e0
[  288.065401]  addrconf_rs_timer+0x314/0x690
[  288.069653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.073908]  call_timer_fn+0x272/0x920
[  288.077814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.082060]  ? process_timeout+0x40/0x40
[  288.086198]  ? mark_held_locks+0xc7/0x130
[  288.090364]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.094885]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.099397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.103678]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.108302]  ? trace_hardirqs_on+0xbd/0x310
[  288.112653]  ? kasan_check_read+0x11/0x20
[  288.116811]  ? __run_timers+0x7da/0xc70
[  288.120914]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.126051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.130318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.134570]  __run_timers+0x7e5/0xc70
[  288.138390]  ? timer_fixup_init+0x70/0x70
[  288.142555]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.147588]  ? zap_class+0x640/0x640
[  288.151358]  ? print_usage_bug+0xc0/0xc0
[  288.155432]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  288.160645]  ? find_held_lock+0x36/0x1c0
[  288.164723]  ? zap_class+0x640/0x640
[  288.168456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.174006]  ? check_preemption_disabled+0x48/0x280
[  288.179040]  ? __lock_is_held+0xb5/0x140
[  288.183126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.188678]  ? check_preemption_disabled+0x48/0x280
[  288.193708]  run_timer_softirq+0x52/0xb0
[  288.197799]  ? rcu_read_lock_sched_held+0x14f/0x180
[  288.202833]  __do_softirq+0x308/0xb7e
[  288.206679]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  288.211198]  ? lock_downgrade+0x900/0x900
[  288.215414]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  288.220571]  ? pvclock_read_flags+0x160/0x160
[  288.225119]  ? lapic_next_event+0x5a/0x90
[  288.229293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.234859]  ? kvm_clock_read+0x18/0x30
[  288.238871]  ? kvm_sched_clock_read+0x9/0x20
[  288.243332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.248894]  ? check_preemption_disabled+0x48/0x280
[  288.253960]  irq_exit+0x17f/0x1c0
[  288.257440]  smp_apic_timer_interrupt+0x1cb/0x760
[  288.262319]  ? smp_reschedule_interrupt+0x109/0x650
[  288.267378]  ? smp_call_function_single_interrupt+0x650/0x650
[  288.273302]  ? interrupt_entry+0xb5/0xc0
[  288.277426]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.282477]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.287548]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.292432]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.297485]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.302541]  ? task_prio+0x50/0x50
[  288.306126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.311714]  ? check_preemption_disabled+0x48/0x280
[  288.317177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.322078]  apic_timer_interrupt+0xf/0x20
[  288.326350]  </IRQ>
[  288.328613] RIP: 0010:dump_stack+0x358/0x39d
[  288.333050] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  288.352009] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  288.359747] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  288.367037] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  288.374341] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  288.381659] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  288.388961] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  288.396273]  ? dump_stack+0x34f/0x39d
[  288.400149]  ? dump_stack_print_info.cold.1+0x20/0x20
[  288.405372]  ? mark_held_locks+0x130/0x130
[  288.409656]  ? mark_held_locks+0x130/0x130
[  288.413918]  dump_header+0x27b/0xf72
[  288.417678]  ? pagefault_out_of_memory+0x197/0x197
[  288.422629]  ? __lock_acquire+0x62f/0x4c20
[  288.426883]  ? percpu_ref_get_many+0x240/0x240
[  288.431496]  ? print_usage_bug+0xc0/0xc0
[  288.435593]  ? zap_class+0x640/0x640
[  288.439333]  ? print_usage_bug+0xc0/0xc0
[  288.443417]  ? print_usage_bug+0xc0/0xc0
[  288.447507]  ? zap_class+0x640/0x640
[  288.451466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.457047]  ? find_held_lock+0x36/0x1c0
[  288.461164]  ? mark_held_locks+0xc7/0x130
[  288.465369]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  288.470503]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  288.475648]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  288.480255]  ? trace_hardirqs_on+0xbd/0x310
[  288.484596]  ? kasan_check_read+0x11/0x20
[  288.488766]  ? ___ratelimit+0x3b4/0x672
[  288.492766]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.497890]  ? trace_hardirqs_on+0x310/0x310
[  288.502318]  ? lock_downgrade+0x900/0x900
[  288.506517]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.511637]  ? ___ratelimit+0x3b9/0x672
[  288.515634]  ? idr_get_free+0xf70/0xf70
[  288.519622]  ? find_held_lock+0x36/0x1c0
[  288.523718]  oom_kill_process.cold.27+0x10/0x903
[  288.528499]  ? zap_class+0x640/0x640
[  288.532234]  ? check_preemption_disabled+0x48/0x280
[  288.537268]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.542209]  ? kasan_check_read+0x11/0x20
[  288.546367]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.551670]  ? oom_evaluate_task+0x540/0x540
[  288.556111]  ? find_held_lock+0x36/0x1c0
[  288.560222]  ? out_of_memory+0x974/0x1430
[  288.564401]  ? lock_downgrade+0x900/0x900
[  288.568574]  ? check_preemption_disabled+0x48/0x280
[  288.573643]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.578612]  ? kasan_check_read+0x11/0x20
[  288.582798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.588127]  ? rcu_softirq_qs+0x20/0x20
[  288.592129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.597671]  ? oom_evaluate_task+0x302/0x540
[  288.602139]  out_of_memory+0xa84/0x1430
[  288.606156]  ? oom_killer_disable+0x3a0/0x3a0
[  288.610668]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  288.615634]  ? __ww_mutex_check_waiters+0x160/0x160
[  288.620726]  __alloc_pages_slowpath+0x2354/0x2e10
[  288.625609]  ? warn_alloc+0x120/0x120
[  288.629415]  ? mark_held_locks+0x130/0x130
[  288.633665]  ? find_get_entry+0xaae/0x1120
[  288.637931]  ? filemap_map_pages+0x1a20/0x1a20
[  288.642550]  ? zap_class+0x640/0x640
[  288.646300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.651883]  ? check_preemption_disabled+0x48/0x280
[  288.656936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.662505]  ? should_fail+0x22d/0xd01
[  288.666427]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.671561]  ? zap_class+0x640/0x640
[  288.675316]  ? __lock_is_held+0xb5/0x140
[  288.679411]  ? mark_held_locks+0x130/0x130
[  288.683706]  ? lock_release+0xa00/0xa00
[  288.687724]  ? perf_trace_sched_process_exec+0x860/0x860
[  288.693207]  ? xa_load+0x2ba/0x460
[  288.696779]  ? lock_downgrade+0x900/0x900
[  288.700960]  ? __might_sleep+0x95/0x190
[  288.704968]  __alloc_pages_nodemask+0xa80/0xde0
[  288.709692]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  288.714753]  ? __page_cache_alloc+0x191/0x5c0
[  288.719277]  ? xa_load+0x2e1/0x460
[  288.722894]  ? xa_clear_mark+0x40/0x40
[  288.726813]  ? zap_class+0x640/0x640
[  288.730583]  ? zap_class+0x640/0x640
[  288.734319]  ? zap_class+0x640/0x640
[  288.738060]  ? __do_page_cache_readahead+0x663/0x810
[  288.743226]  ? find_held_lock+0x36/0x1c0
[  288.747309]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  288.752885]  alloc_pages_current+0x173/0x350
[  288.757331]  __page_cache_alloc+0x38c/0x5c0
[  288.761664]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.766602]  ? kasan_check_read+0x11/0x20
[  288.770769]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.776076]  ? generic_perform_write+0x6a0/0x6a0
[  288.780870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.786436]  ? check_preemption_disabled+0x48/0x280
[  288.791493]  filemap_fault+0x1595/0x25f0
[  288.795601]  ? __lock_page_or_retry+0xa00/0xa00
[  288.800297]  ? mark_held_locks+0x130/0x130
[  288.804567]  ? filemap_map_pages+0xd6b/0x1a20
[  288.809096]  ? lock_downgrade+0x900/0x900
[  288.813275]  ? check_preemption_disabled+0x48/0x280
[  288.818311]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.823258]  ? kasan_check_read+0x11/0x20
[  288.827420]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.832709]  ? rcu_softirq_qs+0x20/0x20
[  288.836709]  ? filemap_map_pages+0xd92/0x1a20
[  288.841228]  ? find_get_entries_tag+0x1400/0x1400
[  288.846111]  ? debug_object_destroy+0x2b0/0x2b0
[  288.850797]  ? lock_pi_update_atomic+0x150/0x150
[  288.855593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.861174]  ? lock_acquire+0x1ed/0x520
[  288.865157]  ? ext4_filemap_fault+0x7a/0xad
[  288.869498]  ? lock_release+0xa00/0xa00
[  288.873480]  ? perf_trace_sched_process_exec+0x860/0x860
[  288.878956]  ? print_usage_bug+0xc0/0xc0
[  288.883050]  ? print_usage_bug+0xc0/0xc0
[  288.887144]  ? down_read+0x8d/0x120
[  288.890774]  ? ext4_filemap_fault+0x7a/0xad
[  288.895121]  ? __down_interruptible+0x700/0x700
[  288.899823]  ext4_filemap_fault+0x82/0xad
[  288.903984]  __do_fault+0x100/0x6b0
[  288.907631]  ? pmd_devmap_trans_unstable+0x220/0x220
[  288.912765]  ? mark_held_locks+0x130/0x130
[  288.917021]  ? mark_held_locks+0x130/0x130
[  288.921292]  ? debug_smp_processor_id+0x1c/0x20
[  288.925999]  ? perf_trace_lock+0x14d/0x7a0
[  288.930261]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  288.935940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.941493]  __handle_mm_fault+0x3ea0/0x5be0
[  288.945925]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  288.950830]  ? lock_is_held_type+0x210/0x210
[  288.955250]  ? file_remove_privs+0x540/0x540
[  288.959674]  ? zap_class+0x640/0x640
[  288.963421]  ? zap_class+0x640/0x640
[  288.967149]  ? __x64_sys_futex+0x53e/0x6a0
[  288.971404]  ? find_held_lock+0x36/0x1c0
[  288.975510]  ? handle_mm_fault+0x42a/0xc70
[  288.979761]  ? lock_downgrade+0x900/0x900
[  288.983924]  ? check_preemption_disabled+0x48/0x280
[  288.988963]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.993915]  ? kasan_check_read+0x11/0x20
[  288.998103]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.003404]  ? rcu_softirq_qs+0x20/0x20
[  289.007399]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.012531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.018124]  ? check_preemption_disabled+0x48/0x280
[  289.023198]  handle_mm_fault+0x54f/0xc70
[  289.027295]  ? __handle_mm_fault+0x5be0/0x5be0
[  289.031930]  ? find_vma+0x34/0x190
[  289.035505]  __do_page_fault+0x5e8/0xe60
[  289.039577]  ? trace_hardirqs_off+0xb8/0x310
[  289.044043]  do_page_fault+0xf2/0x7e0
[  289.047860]  ? vmalloc_sync_all+0x30/0x30
[  289.052035]  ? error_entry+0x70/0xd0
[  289.055756]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.060789]  ? trace_hardirqs_on_caller+0xc0/0x310
[  289.065729]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.070688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.075547]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.080577]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.086053]  ? prepare_exit_to_usermode+0x291/0x3b0
[  289.091122]  ? page_fault+0x8/0x30
[  289.094681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.099545]  ? page_fault+0x8/0x30
[  289.103105]  page_fault+0x1e/0x30
[  289.106563] RIP: 0033:0x40f9c0
[  289.109778] Code: Bad RIP value.
[  289.113145] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  289.118511] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  289.125803] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  289.133078] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  289.140369] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  289.147646] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  289.154955] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  289.154962] warn_alloc_show_mem: 1 callbacks suppressed
[  289.154969] Mem-Info:
[  289.162186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.167563] active_anon:50082 inactive_anon:201 isolated_anon:0
[  289.167563]  active_file:11 inactive_file:13 isolated_file:0
[  289.167563]  unevictable:0 dirty:0 writeback:0 unstable:0
[  289.167563]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  289.167563]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  289.167563]  free:13738 free_pcp:300 free_cma:0
[  289.169934] Call Trace:
[  289.179343] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  289.212216]  <IRQ>
[  289.214809] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  289.242332]  dump_stack+0x244/0x39d
[  289.244457] lowmem_reserve[]: 0 2818 6321 6321
[  289.270611]  ? dump_stack_print_info.cold.1+0x20/0x20
[  289.274240] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  289.278833]  warn_alloc.cold.116+0xb7/0x1bd
[  289.283986] lowmem_reserve[]: 0 0 3503 3503
[  289.311626]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.315921] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  289.320240]  ? lock_downgrade+0x900/0x900
[  289.325097] lowmem_reserve[]: 0 0 0 0
[  289.354020]  ? trace_hardirqs_off+0xb8/0x310
[  289.358142] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  289.361942]  ? trace_hardirqs_off+0xb8/0x310
[  289.366332] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  289.379885]  __alloc_pages_slowpath+0x26e8/0x2e10
[  289.384266] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  289.399412]  ? warn_alloc+0x120/0x120
[  289.404231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  289.418786]  ? print_usage_bug+0xc0/0xc0
[  289.422562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  289.431383]  ? warn_alloc+0x120/0x120
[  289.435420] 268 total pagecache pages
[  289.443981]  ? warn_alloc+0x120/0x120
[  289.447776] 0 pages in swap cache
[  289.451558]  ? print_usage_bug+0xc0/0xc0
[  289.455350] Swap cache stats: add 0, delete 0, find 0/0
[  289.458829]  ? kvm_clock_read+0x18/0x30
[  289.462860] Free swap  = 0kB
[  289.468227]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  289.472173] Total swap = 0kB
[  289.475185]  ? print_usage_bug+0xc0/0xc0
[  289.480174] 1965979 pages RAM
[  289.483182]  ? __lock_acquire+0x62f/0x4c20
[  289.487214] 0 pages HighMem/MovableOnly
[  289.490326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.494530] 342853 pages reserved
[  289.498497]  ? should_fail+0x22d/0xd01
[  289.504001] 0 pages cma reserved
[  289.507469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.511447] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.514693]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.514708]  ? __lock_acquire+0x62f/0x4c20
[  289.514724]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.520047] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.526481]  ? __lock_acquire+0x62f/0x4c20
[  289.526501]  ? should_fail+0x22d/0xd01
[  289.531591] syz-fuzzer cpuset=/ mems_allowed=0
[  289.535818]  ? rcu_irq_exit+0x1a2/0x390
[  289.535843]  ? mark_held_locks+0x130/0x130
[  289.572009]  ? mark_held_locks+0x130/0x130
[  289.576245]  ? mark_held_locks+0xc7/0x130
[  289.580394]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  289.585407]  ? zap_class+0x640/0x640
[  289.589116]  ? print_usage_bug+0xc0/0xc0
[  289.593199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.598749]  ? check_preemption_disabled+0x48/0x280
[  289.603785]  ? __lock_is_held+0xb5/0x140
[  289.607854]  __alloc_pages_nodemask+0xa80/0xde0
[  289.612520]  ? zap_class+0x640/0x640
[  289.616236]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  289.621260]  ? find_held_lock+0x36/0x1c0
[  289.625330]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.629995]  ? lock_downgrade+0x900/0x900
[  289.634145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.639739]  cache_grow_begin+0xa5/0x8c0
[  289.643817]  ? do_raw_spin_unlock+0xa7/0x330
[  289.648246]  fallback_alloc+0x204/0x2e0
[  289.652241]  ____cache_alloc_node+0x1c7/0x1e0
[  289.656748]  kmem_cache_alloc_node+0xe3/0x730
[  289.661242]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.665482]  __alloc_skb+0x119/0x770
[  289.669191]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.674486]  ? netdev_alloc_frag+0x1f0/0x1f0
[  289.678908]  ? lock_downgrade+0x900/0x900
[  289.683062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.688621]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.694075]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.699550]  ? addrconf_rs_timer+0x690/0x690
[  289.703975]  ndisc_alloc_skb+0x144/0x340
[  289.708042]  ndisc_send_rs+0x331/0x6e0
[  289.711938]  addrconf_rs_timer+0x314/0x690
[  289.716177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.720424]  call_timer_fn+0x272/0x920
[  289.724335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.728609]  ? process_timeout+0x40/0x40
[  289.732679]  ? __run_timers+0x7da/0xc70
[  289.736659]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.741151]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.745659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.749894]  ? lockdep_hardirqs_on+0x296/0x5b0
[  289.754481]  ? trace_hardirqs_on+0xbd/0x310
[  289.758817]  ? kasan_check_read+0x11/0x20
[  289.762965]  ? __run_timers+0x7da/0xc70
[  289.766945]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.772057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.776308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.780571]  __run_timers+0x7e5/0xc70
[  289.784403]  ? timer_fixup_init+0x70/0x70
[  289.788553]  ? kasan_check_read+0x11/0x20
[  289.792705]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.797979]  ? rcu_softirq_qs+0x20/0x20
[  289.801970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.807527]  ? check_preemption_disabled+0x48/0x280
[  289.812552]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.817312]  ? retint_kernel+0x2d/0x2d
[  289.821241]  ? trace_hardirqs_on_caller+0xc0/0x310
[  289.826186]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.830953]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.836410]  ? zap_class+0x640/0x640
[  289.840147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.845688]  ? check_preemption_disabled+0x48/0x280
[  289.850714]  ? __lock_is_held+0xb5/0x140
[  289.854778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.860333]  ? check_preemption_disabled+0x48/0x280
[  289.865359]  run_timer_softirq+0x52/0xb0
[  289.869423]  ? rcu_read_lock_sched_held+0x14f/0x180
[  289.874440]  __do_softirq+0x308/0xb7e
[  289.878247]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.882743]  ? lock_downgrade+0x900/0x900
[  289.886898]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  289.892009]  ? pvclock_read_flags+0x160/0x160
[  289.896507]  ? lapic_next_event+0x5a/0x90
[  289.900657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.906199]  ? kvm_clock_read+0x18/0x30
[  289.910174]  ? kvm_sched_clock_read+0x9/0x20
[  289.914603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.920142]  ? check_preemption_disabled+0x48/0x280
[  289.925168]  irq_exit+0x17f/0x1c0
[  289.928634]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.933476]  ? smp_reschedule_interrupt+0x109/0x650
[  289.938522]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.944420]  ? interrupt_entry+0xb5/0xc0
[  289.948484]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.953495]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.958510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.963364]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.968395]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.973458]  ? task_prio+0x50/0x50
[  289.976998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.982534]  ? check_preemption_disabled+0x48/0x280
[  289.987556]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.992407]  apic_timer_interrupt+0xf/0x20
[  289.996644]  </IRQ>
[  289.998888] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  290.003845] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  290.022746] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  290.030454] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  290.037718] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  290.044984] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  290.052246] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  290.059511] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  290.066827]  skb_clone+0x1bb/0x500
[  290.070381]  ? finish_task_switch+0x1b4/0x910
[  290.074893]  ? skb_split+0x11e0/0x11e0
[  290.078800]  ? preempt_notifier_register+0x200/0x200
[  290.083913]  ? __switch_to_asm+0x34/0x70
[  290.087974]  ? __switch_to_asm+0x34/0x70
[  290.092032]  ? __switch_to_asm+0x40/0x70
[  290.096094]  ? __switch_to_asm+0x34/0x70
[  290.100153]  ? __switch_to_asm+0x40/0x70
[  290.104210]  ? __switch_to_asm+0x34/0x70
[  290.108283]  ? __switch_to_asm+0x40/0x70
[  290.112348]  ? __switch_to_asm+0x34/0x70
[  290.116425]  ? __switch_to_asm+0x34/0x70
[  290.120483]  ? __switch_to_asm+0x40/0x70
[  290.124550]  ? __switch_to_asm+0x34/0x70
[  290.128638]  bpf_clone_redirect+0xb9/0x490
[  290.132885]  ? __schedule+0x8d7/0x21d0
[  290.136782]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  290.141817]  ? __sched_text_start+0x8/0x8
[  290.146010]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  290.150624]  ? retint_kernel+0x2d/0x2d
[  290.154531]  ? trace_hardirqs_on_caller+0xc0/0x310
[  290.159539]  ? find_held_lock+0x36/0x1c0
[  290.163659]  ? lock_acquire+0x1ed/0x520
[  290.167635]  ? bpf_test_run+0x3cb/0x780
[  290.171621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.177193]  ? check_preemption_disabled+0x48/0x280
[  290.182228]  ? kasan_check_read+0x11/0x20
[  290.186385]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.191665]  ? rcu_softirq_qs+0x20/0x20
[  290.195646]  ? preempt_schedule+0x4d/0x60
[  290.199799]  ? ___preempt_schedule+0x16/0x18
[  290.204223]  ? bpf_test_run+0x25d/0x780
[  290.208210]  ? netlink_diag_dump+0x2a0/0x2a0
[  290.212662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.218216]  ? bpf_test_init.isra.10+0x70/0x100
[  290.222891]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  290.227688]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  290.232529]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  290.238063]  ? fput+0x130/0x1a0
[  290.241353]  ? __bpf_prog_get+0x9b/0x290
[  290.245415]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  290.250258]  ? bpf_prog_test_run+0x130/0x1a0
[  290.254667]  ? __x64_sys_bpf+0x3d8/0x520
[  290.258727]  ? bpf_prog_get+0x20/0x20
[  290.262544]  ? do_syscall_64+0x1b9/0x820
[  290.266610]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  290.271988]  ? syscall_return_slowpath+0x5e0/0x5e0
[  290.276913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.281756]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.286772]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  290.291830]  ? prepare_exit_to_usermode+0x291/0x3b0
[  290.296858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.301710]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  290.307106] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  290.307217] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.314035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.314040] Call Trace:
[  290.314048]  <IRQ>
[  290.314066]  dump_stack+0x244/0x39d
[  290.314099]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.320739] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.330039]  warn_alloc.cold.116+0xb7/0x1bd
[  290.332591] syz-executor3 cpuset=syz3 mems_allowed=0
[  290.334735]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.368226]  ? lock_downgrade+0x900/0x900
[  290.372402]  ? trace_hardirqs_off+0xb8/0x310
[  290.376830]  ? trace_hardirqs_off+0xb8/0x310
[  290.381257]  __alloc_pages_slowpath+0x26e8/0x2e10
[  290.386140]  ? warn_alloc+0x120/0x120
[  290.389959]  ? print_usage_bug+0xc0/0xc0
[  290.394027]  ? warn_alloc+0x120/0x120
[  290.397832]  ? warn_alloc+0x120/0x120
[  290.401633]  ? print_usage_bug+0xc0/0xc0
[  290.405697]  ? print_usage_bug+0xc0/0xc0
[  290.409792]  ? __lock_acquire+0x62f/0x4c20
[  290.414037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.419594]  ? should_fail+0x22d/0xd01
[  290.423489]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.428603]  ? __lock_acquire+0x62f/0x4c20
[  290.432857]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.437967]  ? __lock_acquire+0x62f/0x4c20
[  290.442215]  ? should_fail+0x22d/0xd01
[  290.446109]  ? find_held_lock+0x36/0x1c0
[  290.450312]  ? mark_held_locks+0x130/0x130
[  290.454554]  ? mark_held_locks+0x130/0x130
[  290.458814]  ? zap_class+0x640/0x640
[  290.462524]  ? zap_class+0x640/0x640
[  290.466253]  ? print_usage_bug+0xc0/0xc0
[  290.470345]  ? do_raw_spin_unlock+0xa7/0x330
[  290.474769]  ? zap_class+0x640/0x640
[  290.478482]  ? print_usage_bug+0xc0/0xc0
[  290.482537]  ? wq_watchdog_touch+0x9c/0xfe
[  290.486773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.492328]  ? check_preemption_disabled+0x48/0x280
[  290.497356]  ? __lock_is_held+0xb5/0x140
[  290.501423]  __alloc_pages_nodemask+0xa80/0xde0
[  290.506102]  ? zap_class+0x640/0x640
[  290.509821]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  290.514850]  ? find_held_lock+0x36/0x1c0
[  290.518926]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.523596]  ? lock_downgrade+0x900/0x900
[  290.527762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.533303]  cache_grow_begin+0xa5/0x8c0
[  290.537362]  ? do_raw_spin_unlock+0xa7/0x330
[  290.541775]  fallback_alloc+0x204/0x2e0
[  290.545766]  ____cache_alloc_node+0x1c7/0x1e0
[  290.550270]  kmem_cache_alloc_node+0xe3/0x730
[  290.554764]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.559008]  __alloc_skb+0x119/0x770
[  290.562736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.568015]  ? netdev_alloc_frag+0x1f0/0x1f0
[  290.572424]  ? lock_downgrade+0x900/0x900
[  290.576577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.582156]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.587611]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.593071]  ? addrconf_rs_timer+0x690/0x690
[  290.597523]  ndisc_alloc_skb+0x144/0x340
[  290.601592]  ndisc_send_rs+0x331/0x6e0
[  290.605513]  addrconf_rs_timer+0x314/0x690
[  290.609753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.614025]  call_timer_fn+0x272/0x920
[  290.617923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.622155]  ? process_timeout+0x40/0x40
[  290.626244]  ? mark_held_locks+0xc7/0x130
[  290.630406]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.634906]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.639395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.643656]  ? lockdep_hardirqs_on+0x296/0x5b0
[  290.648254]  ? trace_hardirqs_on+0xbd/0x310
[  290.652575]  ? kasan_check_read+0x11/0x20
[  290.656715]  ? __run_timers+0x7da/0xc70
[  290.660688]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.665806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.670047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.674277]  __run_timers+0x7e5/0xc70
[  290.678113]  ? timer_fixup_init+0x70/0x70
[  290.682278]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  290.687296]  ? zap_class+0x640/0x640
[  290.691018]  ? print_usage_bug+0xc0/0xc0
[  290.695089]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  290.700303]  ? find_held_lock+0x36/0x1c0
[  290.704373]  ? zap_class+0x640/0x640
[  290.708118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.713665]  ? check_preemption_disabled+0x48/0x280
[  290.718681]  ? __lock_is_held+0xb5/0x140
[  290.722735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.728280]  ? check_preemption_disabled+0x48/0x280
[  290.733316]  run_timer_softirq+0x52/0xb0
[  290.737388]  ? rcu_read_lock_sched_held+0x14f/0x180
[  290.742418]  __do_softirq+0x308/0xb7e
[  290.746221]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  290.750715]  ? lock_downgrade+0x900/0x900
[  290.754865]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  290.760000]  ? pvclock_read_flags+0x160/0x160
[  290.764496]  ? lapic_next_event+0x5a/0x90
[  290.768644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.774186]  ? kvm_clock_read+0x18/0x30
[  290.778164]  ? kvm_sched_clock_read+0x9/0x20
[  290.782590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.788132]  ? check_preemption_disabled+0x48/0x280
[  290.793163]  irq_exit+0x17f/0x1c0
[  290.796626]  smp_apic_timer_interrupt+0x1cb/0x760
[  290.801468]  ? smp_reschedule_interrupt+0x109/0x650
[  290.806525]  ? smp_call_function_single_interrupt+0x650/0x650
[  290.812415]  ? interrupt_entry+0xb5/0xc0
[  290.816480]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.821495]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.826533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.831404]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.836421]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.841441]  ? task_prio+0x50/0x50
[  290.845012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.850580]  ? check_preemption_disabled+0x48/0x280
[  290.855600]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.860452]  apic_timer_interrupt+0xf/0x20
[  290.864693]  </IRQ>
[  290.866934] RIP: 0010:dump_stack+0x358/0x39d
[  290.871346] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  290.890250] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  290.897970] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  290.905238] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  290.912508] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  290.919779] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  290.927044] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  290.934328]  ? dump_stack+0x34f/0x39d
[  290.938144]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.943343]  ? mark_held_locks+0x130/0x130
[  290.947587]  ? mark_held_locks+0x130/0x130
[  290.951830]  dump_header+0x27b/0xf72
[  290.955557]  ? pagefault_out_of_memory+0x197/0x197
[  290.960494]  ? __lock_acquire+0x62f/0x4c20
[  290.964749]  ? percpu_ref_get_many+0x240/0x240
[  290.969337]  ? print_usage_bug+0xc0/0xc0
[  290.973406]  ? zap_class+0x640/0x640
[  290.977128]  ? print_usage_bug+0xc0/0xc0
[  290.981193]  ? print_usage_bug+0xc0/0xc0
[  290.985256]  ? zap_class+0x640/0x640
[  290.988974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.994538]  ? find_held_lock+0x36/0x1c0
[  290.998611]  ? mark_held_locks+0xc7/0x130
[  291.002766]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.007867]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.012986]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  291.017584]  ? trace_hardirqs_on+0xbd/0x310
[  291.021913]  ? kasan_check_read+0x11/0x20
[  291.026062]  ? ___ratelimit+0x3b4/0x672
[  291.030053]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.035202]  ? trace_hardirqs_on+0x310/0x310
[  291.039627]  ? lock_downgrade+0x900/0x900
[  291.043784]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.048884]  ? ___ratelimit+0x3b9/0x672
[  291.052857]  ? idr_get_free+0xf70/0xf70
[  291.056835]  ? find_held_lock+0x36/0x1c0
[  291.060911]  oom_kill_process.cold.27+0x10/0x903
[  291.065673]  ? zap_class+0x640/0x640
[  291.069389]  ? check_preemption_disabled+0x48/0x280
[  291.074416]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.079375]  ? kasan_check_read+0x11/0x20
[  291.083523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.088799]  ? oom_evaluate_task+0x540/0x540
[  291.093210]  ? find_held_lock+0x36/0x1c0
[  291.097283]  ? out_of_memory+0x974/0x1430
[  291.101453]  ? lock_downgrade+0x900/0x900
[  291.105615]  ? check_preemption_disabled+0x48/0x280
[  291.110660]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.115587]  ? kasan_check_read+0x11/0x20
[  291.119731]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.125003]  ? rcu_softirq_qs+0x20/0x20
[  291.129023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.134578]  ? oom_evaluate_task+0x302/0x540
[  291.138993]  out_of_memory+0xa84/0x1430
[  291.142971]  ? oom_killer_disable+0x3a0/0x3a0
[  291.147494]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  291.152425]  ? __ww_mutex_check_waiters+0x160/0x160
[  291.157461]  __alloc_pages_slowpath+0x2354/0x2e10
[  291.162333]  ? warn_alloc+0x120/0x120
[  291.166160]  ? mark_held_locks+0x130/0x130
[  291.170426]  ? find_get_entry+0xaae/0x1120
[  291.174681]  ? filemap_map_pages+0x1a20/0x1a20
[  291.179268]  ? zap_class+0x640/0x640
[  291.182987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.188533]  ? check_preemption_disabled+0x48/0x280
[  291.193548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.199098]  ? should_fail+0x22d/0xd01
[  291.202996]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.208110]  ? zap_class+0x640/0x640
[  291.211846]  ? __lock_is_held+0xb5/0x140
[  291.215909]  ? mark_held_locks+0x130/0x130
[  291.220142]  ? lock_release+0xa00/0xa00
[  291.224149]  ? perf_trace_sched_process_exec+0x860/0x860
[  291.229603]  ? xa_load+0x2ba/0x460
[  291.233164]  ? lock_downgrade+0x900/0x900
[  291.237316]  ? __might_sleep+0x95/0x190
[  291.241293]  __alloc_pages_nodemask+0xa80/0xde0
[  291.245963]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  291.250973]  ? __page_cache_alloc+0x191/0x5c0
[  291.255465]  ? xa_load+0x2e1/0x460
[  291.259002]  ? xa_clear_mark+0x40/0x40
[  291.262930]  ? zap_class+0x640/0x640
[  291.266662]  ? zap_class+0x640/0x640
[  291.270389]  ? zap_class+0x640/0x640
[  291.274176]  ? __do_page_cache_readahead+0x663/0x810
[  291.279297]  ? find_held_lock+0x36/0x1c0
[  291.283375]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  291.288932]  alloc_pages_current+0x173/0x350
[  291.293348]  __page_cache_alloc+0x38c/0x5c0
[  291.297666]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.302614]  ? kasan_check_read+0x11/0x20
[  291.306762]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.312053]  ? generic_perform_write+0x6a0/0x6a0
[  291.316823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.322360]  ? check_preemption_disabled+0x48/0x280
[  291.327416]  filemap_fault+0x1595/0x25f0
[  291.331486]  ? __lock_page_or_retry+0xa00/0xa00
[  291.336180]  ? mark_held_locks+0x130/0x130
[  291.340426]  ? filemap_map_pages+0xd6b/0x1a20
[  291.344927]  ? lock_downgrade+0x900/0x900
[  291.349111]  ? check_preemption_disabled+0x48/0x280
[  291.354133]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.359062]  ? kasan_check_read+0x11/0x20
[  291.363215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.368494]  ? rcu_softirq_qs+0x20/0x20
[  291.372485]  ? filemap_map_pages+0xd92/0x1a20
[  291.376996]  ? find_get_entries_tag+0x1400/0x1400
[  291.381863]  ? debug_object_destroy+0x2b0/0x2b0
[  291.386584]  ? lock_pi_update_atomic+0x150/0x150
[  291.391341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.396888]  ? lock_acquire+0x1ed/0x520
[  291.400860]  ? ext4_filemap_fault+0x7a/0xad
[  291.405191]  ? lock_release+0xa00/0xa00
[  291.409167]  ? perf_trace_sched_process_exec+0x860/0x860
[  291.414723]  ? print_usage_bug+0xc0/0xc0
[  291.418788]  ? print_usage_bug+0xc0/0xc0
[  291.422886]  ? down_read+0x8d/0x120
[  291.426508]  ? ext4_filemap_fault+0x7a/0xad
[  291.430824]  ? __down_interruptible+0x700/0x700
[  291.435497]  ext4_filemap_fault+0x82/0xad
[  291.439651]  __do_fault+0x100/0x6b0
[  291.443285]  ? pmd_devmap_trans_unstable+0x220/0x220
[  291.448389]  ? mark_held_locks+0x130/0x130
[  291.452668]  ? mark_held_locks+0x130/0x130
[  291.456934]  ? debug_smp_processor_id+0x1c/0x20
[  291.461616]  ? perf_trace_lock+0x14d/0x7a0
[  291.465847]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  291.471474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.477032]  __handle_mm_fault+0x3ea0/0x5be0
[  291.481451]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  291.486294]  ? lock_is_held_type+0x210/0x210
[  291.490723]  ? file_remove_privs+0x540/0x540
[  291.495165]  ? zap_class+0x640/0x640
[  291.498879]  ? zap_class+0x640/0x640
[  291.502593]  ? __x64_sys_futex+0x53e/0x6a0
[  291.506834]  ? find_held_lock+0x36/0x1c0
[  291.510942]  ? handle_mm_fault+0x42a/0xc70
[  291.515183]  ? lock_downgrade+0x900/0x900
[  291.519342]  ? check_preemption_disabled+0x48/0x280
[  291.524409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.529388]  ? kasan_check_read+0x11/0x20
[  291.533542]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.538820]  ? rcu_softirq_qs+0x20/0x20
[  291.542798]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.547927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.553471]  ? check_preemption_disabled+0x48/0x280
[  291.558511]  handle_mm_fault+0x54f/0xc70
[  291.562580]  ? __handle_mm_fault+0x5be0/0x5be0
[  291.567175]  ? find_vma+0x34/0x190
[  291.570743]  __do_page_fault+0x5e8/0xe60
[  291.574832]  ? trace_hardirqs_off+0xb8/0x310
[  291.579253]  do_page_fault+0xf2/0x7e0
[  291.583060]  ? vmalloc_sync_all+0x30/0x30
[  291.587234]  ? error_entry+0x70/0xd0
[  291.590952]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.595991]  ? trace_hardirqs_on_caller+0xc0/0x310
[  291.600928]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.605867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.610719]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.615743]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.621208]  ? prepare_exit_to_usermode+0x291/0x3b0
[  291.626236]  ? page_fault+0x8/0x30
[  291.629791]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.634637]  ? page_fault+0x8/0x30
[  291.638186]  page_fault+0x1e/0x30
[  291.641639] RIP: 0033:0x40f9c0
[  291.644846] Code: Bad RIP value.
[  291.648210] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  291.653607] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  291.660889] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  291.668162] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  291.675436] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  291.682705] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  291.690008] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  291.690015] warn_alloc_show_mem: 1 callbacks suppressed
[  291.690022] Mem-Info:
[  291.697226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.697237] Call Trace:
[  291.702641] active_anon:50082 inactive_anon:201 isolated_anon:0
[  291.702641]  active_file:11 inactive_file:13 isolated_file:0
[  291.702641]  unevictable:0 dirty:0 writeback:0 unstable:0
[  291.702641]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  291.702641]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  291.702641]  free:13738 free_pcp:300 free_cma:0
[  291.705027]  <IRQ>
[  291.714414] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  291.717009]  dump_stack+0x244/0x39d
[  291.749895] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  291.752061]  ? dump_stack_print_info.cold.1+0x20/0x20
[  291.779540] lowmem_reserve[]: 0 2818 6321 6321
[  291.783189]  warn_alloc.cold.116+0xb7/0x1bd
[  291.809281] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  291.814496]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.819038] lowmem_reserve[]: 0 0 3503 3503
[  291.823368]  ? lock_downgrade+0x900/0x900
[  291.850943] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  291.855800]  ? trace_hardirqs_off+0xb8/0x310
[  291.860079] lowmem_reserve[]: 0 0 0 0
[  291.864255]  ? trace_hardirqs_off+0xb8/0x310
[  291.893143] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  291.897573]  __alloc_pages_slowpath+0x26e8/0x2e10
[  291.901337] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  291.905776]  ? warn_alloc+0x120/0x120
[  291.919274] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  291.924159]  ? print_usage_bug+0xc0/0xc0
[  291.939234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  291.943036]  ? warn_alloc+0x120/0x120
[  291.957592] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  291.961675]  ? warn_alloc+0x120/0x120
[  291.970481] 268 total pagecache pages
[  291.974282]  ? print_usage_bug+0xc0/0xc0
[  291.982838] 0 pages in swap cache
[  291.986637]  ? print_usage_bug+0xc0/0xc0
[  291.990420] Swap cache stats: add 0, delete 0, find 0/0
[  291.994503]  ? __lock_acquire+0x62f/0x4c20
[  291.997928] Free swap  = 0kB
[  291.997936] Total swap = 0kB
[  292.002028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.007363] 1965979 pages RAM
[  292.011619]  ? should_fail+0x22d/0xd01
[  292.014602] 0 pages HighMem/MovableOnly
[  292.014610] 342853 pages reserved
[  292.017632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.023159] 0 pages cma reserved
[  292.023284] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.026282]  ? __lock_acquire+0x62f/0x4c20
[  292.030254] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.034148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.037579] syz-fuzzer cpuset=/ mems_allowed=0
[  292.042688]  ? __lock_acquire+0x62f/0x4c20
[  292.080834]  ? should_fail+0x22d/0xd01
[  292.084731]  ? find_held_lock+0x36/0x1c0
[  292.088821]  ? mark_held_locks+0x130/0x130
[  292.093064]  ? mark_held_locks+0x130/0x130
[  292.097323]  ? zap_class+0x640/0x640
[  292.101040]  ? zap_class+0x640/0x640
[  292.104758]  ? print_usage_bug+0xc0/0xc0
[  292.108817]  ? do_raw_spin_unlock+0xa7/0x330
[  292.113231]  ? zap_class+0x640/0x640
[  292.116949]  ? print_usage_bug+0xc0/0xc0
[  292.121011]  ? wq_watchdog_touch+0x9c/0xfe
[  292.125258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.130806]  ? check_preemption_disabled+0x48/0x280
[  292.135836]  ? __lock_is_held+0xb5/0x140
[  292.139910]  __alloc_pages_nodemask+0xa80/0xde0
[  292.144605]  ? zap_class+0x640/0x640
[  292.148338]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  292.153371]  ? find_held_lock+0x36/0x1c0
[  292.157462]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.162138]  ? lock_downgrade+0x900/0x900
[  292.166301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.171852]  cache_grow_begin+0xa5/0x8c0
[  292.175922]  ? do_raw_spin_unlock+0xa7/0x330
[  292.180346]  fallback_alloc+0x204/0x2e0
[  292.184332]  ____cache_alloc_node+0x1c7/0x1e0
[  292.188838]  kmem_cache_alloc_node+0xe3/0x730
[  292.193341]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.197597]  __alloc_skb+0x119/0x770
[  292.201313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.206603]  ? netdev_alloc_frag+0x1f0/0x1f0
[  292.211030]  ? lock_downgrade+0x900/0x900
[  292.215205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.220749]  ? refcount_sub_and_test_checked+0x203/0x310
[  292.226209]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  292.231664]  ? addrconf_rs_timer+0x690/0x690
[  292.236093]  ndisc_alloc_skb+0x144/0x340
[  292.240182]  ndisc_send_rs+0x331/0x6e0
[  292.244076]  addrconf_rs_timer+0x314/0x690
[  292.248345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.252601]  call_timer_fn+0x272/0x920
[  292.256492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.260728]  ? process_timeout+0x40/0x40
[  292.264796]  ? __run_timers+0x7da/0xc70
[  292.268776]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.273306]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.277808]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.282073]  ? lockdep_hardirqs_on+0x296/0x5b0
[  292.286696]  ? trace_hardirqs_on+0xbd/0x310
[  292.291026]  ? kasan_check_read+0x11/0x20
[  292.295176]  ? __run_timers+0x7da/0xc70
[  292.299158]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.304270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.308516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.312786]  __run_timers+0x7e5/0xc70
[  292.316883]  ? timer_fixup_init+0x70/0x70
[  292.321042]  ? kasan_check_read+0x11/0x20
[  292.325207]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.330486]  ? rcu_softirq_qs+0x20/0x20
[  292.334475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.340065]  ? check_preemption_disabled+0x48/0x280
[  292.345104]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.349892]  ? retint_kernel+0x2d/0x2d
[  292.353798]  ? trace_hardirqs_on_caller+0xc0/0x310
[  292.358996]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.363758]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.369223]  ? zap_class+0x640/0x640
[  292.372968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.378541]  ? check_preemption_disabled+0x48/0x280
[  292.383707]  ? __lock_is_held+0xb5/0x140
[  292.387782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.393332]  ? check_preemption_disabled+0x48/0x280
[  292.398374]  run_timer_softirq+0x52/0xb0
[  292.402441]  ? rcu_read_lock_sched_held+0x14f/0x180
[  292.407467]  __do_softirq+0x308/0xb7e
[  292.411290]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  292.415822]  ? lock_downgrade+0x900/0x900
[  292.419982]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  292.425101]  ? pvclock_read_flags+0x160/0x160
[  292.429634]  ? lapic_next_event+0x5a/0x90
[  292.433787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.439361]  ? kvm_clock_read+0x18/0x30
[  292.443349]  ? kvm_sched_clock_read+0x9/0x20
[  292.447766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.453790]  ? check_preemption_disabled+0x48/0x280
[  292.458814]  irq_exit+0x17f/0x1c0
[  292.462282]  smp_apic_timer_interrupt+0x1cb/0x760
[  292.467131]  ? smp_reschedule_interrupt+0x109/0x650
[  292.472163]  ? smp_call_function_single_interrupt+0x650/0x650
[  292.478061]  ? interrupt_entry+0xb5/0xc0
[  292.482131]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.487144]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.492165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.497029]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.502043]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.507090]  ? task_prio+0x50/0x50
[  292.510636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.516175]  ? check_preemption_disabled+0x48/0x280
[  292.521200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.526055]  apic_timer_interrupt+0xf/0x20
[  292.530286]  </IRQ>
[  292.532542] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  292.537472] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  292.556383] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  292.564119] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  292.571429] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  292.578699] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  292.585966] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  292.593232] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  292.600544]  skb_clone+0x1bb/0x500
[  292.604119]  ? finish_task_switch+0x1b4/0x910
[  292.608636]  ? skb_split+0x11e0/0x11e0
[  292.612524]  ? preempt_notifier_register+0x200/0x200
[  292.617623]  ? __switch_to_asm+0x34/0x70
[  292.621680]  ? __switch_to_asm+0x34/0x70
[  292.625735]  ? __switch_to_asm+0x40/0x70
[  292.629810]  ? __switch_to_asm+0x34/0x70
[  292.633867]  ? __switch_to_asm+0x40/0x70
[  292.637928]  ? __switch_to_asm+0x34/0x70
[  292.641989]  ? __switch_to_asm+0x40/0x70
[  292.646046]  ? __switch_to_asm+0x34/0x70
[  292.650109]  ? __switch_to_asm+0x34/0x70
[  292.654168]  ? __switch_to_asm+0x40/0x70
[  292.658247]  ? __switch_to_asm+0x34/0x70
[  292.662317]  bpf_clone_redirect+0xb9/0x490
[  292.666558]  ? __schedule+0x8d7/0x21d0
[  292.670449]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  292.675548]  ? __sched_text_start+0x8/0x8
[  292.679701]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.684286]  ? retint_kernel+0x2d/0x2d
[  292.688175]  ? trace_hardirqs_on_caller+0xc0/0x310
[  292.693132]  ? find_held_lock+0x36/0x1c0
[  292.697202]  ? lock_acquire+0x1ed/0x520
[  292.701182]  ? bpf_test_run+0x3cb/0x780
[  292.705161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.710701]  ? check_preemption_disabled+0x48/0x280
[  292.715759]  ? kasan_check_read+0x11/0x20
[  292.719906]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.725181]  ? rcu_softirq_qs+0x20/0x20
[  292.729160]  ? preempt_schedule+0x4d/0x60
[  292.733318]  ? ___preempt_schedule+0x16/0x18
[  292.737764]  ? bpf_test_run+0x25d/0x780
[  292.741755]  ? netlink_diag_dump+0x2a0/0x2a0
[  292.746174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.751727]  ? bpf_test_init.isra.10+0x70/0x100
[  292.756432]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  292.761206]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  292.766053]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  292.771605]  ? fput+0x130/0x1a0
[  292.774889]  ? __bpf_prog_get+0x9b/0x290
[  292.778954]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  292.783797]  ? bpf_prog_test_run+0x130/0x1a0
[  292.788217]  ? __x64_sys_bpf+0x3d8/0x520
[  292.792281]  ? bpf_prog_get+0x20/0x20
[  292.796114]  ? do_syscall_64+0x1b9/0x820
[  292.800180]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  292.805550]  ? syscall_return_slowpath+0x5e0/0x5e0
[  292.810482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.815330]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.820350]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  292.825375]  ? prepare_exit_to_usermode+0x291/0x3b0
[  292.830401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.835308]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  292.840692] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  292.840778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.847630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.847635] Call Trace:
[  292.847644]  <IRQ>
[  292.847663]  dump_stack+0x244/0x39d
[  292.847697]  ? dump_stack_print_info.cold.1+0x20/0x20
[  292.854284] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.863569]  warn_alloc.cold.116+0xb7/0x1bd
[  292.866130] syz-executor3 cpuset=syz3 mems_allowed=0
[  292.868283]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.901781]  ? lock_downgrade+0x900/0x900
[  292.905956]  ? trace_hardirqs_off+0xb8/0x310
[  292.910374]  ? trace_hardirqs_off+0xb8/0x310
[  292.914793]  __alloc_pages_slowpath+0x26e8/0x2e10
[  292.919696]  ? warn_alloc+0x120/0x120
[  292.923503]  ? print_usage_bug+0xc0/0xc0
[  292.927569]  ? warn_alloc+0x120/0x120
[  292.931381]  ? warn_alloc+0x120/0x120
[  292.935187]  ? print_usage_bug+0xc0/0xc0
[  292.939265]  ? print_usage_bug+0xc0/0xc0
[  292.943334]  ? __lock_acquire+0x62f/0x4c20
[  292.947577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.953144]  ? should_fail+0x22d/0xd01
[  292.957041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.962164]  ? __lock_acquire+0x62f/0x4c20
[  292.966430]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.971533]  ? __lock_acquire+0x62f/0x4c20
[  292.975797]  ? should_fail+0x22d/0xd01
[  292.979708]  ? find_held_lock+0x36/0x1c0
[  292.983778]  ? mark_held_locks+0x130/0x130
[  292.988023]  ? mark_held_locks+0x130/0x130
[  292.992286]  ? zap_class+0x640/0x640
[  292.996017]  ? zap_class+0x640/0x640
[  292.999736]  ? print_usage_bug+0xc0/0xc0
[  293.003795]  ? do_raw_spin_unlock+0xa7/0x330
[  293.008207]  ? zap_class+0x640/0x640
[  293.011925]  ? print_usage_bug+0xc0/0xc0
[  293.015985]  ? wq_watchdog_touch+0x9c/0xfe
[  293.020230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.025774]  ? check_preemption_disabled+0x48/0x280
[  293.030800]  ? __lock_is_held+0xb5/0x140
[  293.034866]  __alloc_pages_nodemask+0xa80/0xde0
[  293.039535]  ? zap_class+0x640/0x640
[  293.043255]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  293.048289]  ? find_held_lock+0x36/0x1c0
[  293.052394]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.057065]  ? lock_downgrade+0x900/0x900
[  293.061235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.066780]  cache_grow_begin+0xa5/0x8c0
[  293.070843]  ? do_raw_spin_unlock+0xa7/0x330
[  293.075258]  fallback_alloc+0x204/0x2e0
[  293.079242]  ____cache_alloc_node+0x1c7/0x1e0
[  293.083747]  kmem_cache_alloc_node+0xe3/0x730
[  293.088263]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.092511]  __alloc_skb+0x119/0x770
[  293.096226]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.101508]  ? netdev_alloc_frag+0x1f0/0x1f0
[  293.105917]  ? lock_downgrade+0x900/0x900
[  293.110078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.115645]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.121113]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.126569]  ? addrconf_rs_timer+0x690/0x690
[  293.130993]  ndisc_alloc_skb+0x144/0x340
[  293.135067]  ndisc_send_rs+0x331/0x6e0
[  293.138986]  addrconf_rs_timer+0x314/0x690
[  293.143226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.147474]  call_timer_fn+0x272/0x920
[  293.151364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.155597]  ? process_timeout+0x40/0x40
[  293.159675]  ? mark_held_locks+0xc7/0x130
[  293.163827]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.168326]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.172820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.177143]  ? lockdep_hardirqs_on+0x296/0x5b0
[  293.181750]  ? trace_hardirqs_on+0xbd/0x310
[  293.186078]  ? kasan_check_read+0x11/0x20
[  293.190258]  ? __run_timers+0x7da/0xc70
[  293.194253]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.199369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.203613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.207884]  __run_timers+0x7e5/0xc70
[  293.211696]  ? timer_fixup_init+0x70/0x70
[  293.215858]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.220879]  ? zap_class+0x640/0x640
[  293.224616]  ? print_usage_bug+0xc0/0xc0
[  293.228688]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  293.233886]  ? find_held_lock+0x36/0x1c0
[  293.237953]  ? zap_class+0x640/0x640
[  293.241674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.247217]  ? check_preemption_disabled+0x48/0x280
[  293.252246]  ? __lock_is_held+0xb5/0x140
[  293.256316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.261855]  ? check_preemption_disabled+0x48/0x280
[  293.266880]  run_timer_softirq+0x52/0xb0
[  293.270946]  ? rcu_read_lock_sched_held+0x14f/0x180
[  293.275972]  __do_softirq+0x308/0xb7e
[  293.279781]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  293.284287]  ? lock_downgrade+0x900/0x900
[  293.288453]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  293.293583]  ? pvclock_read_flags+0x160/0x160
[  293.298126]  ? lapic_next_event+0x5a/0x90
[  293.302303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.307880]  ? kvm_clock_read+0x18/0x30
[  293.311880]  ? kvm_sched_clock_read+0x9/0x20
[  293.316300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.321886]  ? check_preemption_disabled+0x48/0x280
[  293.326913]  irq_exit+0x17f/0x1c0
[  293.330392]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.335261]  ? smp_reschedule_interrupt+0x109/0x650
[  293.340280]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.346180]  ? interrupt_entry+0xb5/0xc0
[  293.350262]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.355278]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.360298]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.365145]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.370166]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.375186]  ? task_prio+0x50/0x50
[  293.378730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.384282]  ? check_preemption_disabled+0x48/0x280
[  293.389327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.394182]  apic_timer_interrupt+0xf/0x20
[  293.398422]  </IRQ>
[  293.400666] RIP: 0010:dump_stack+0x358/0x39d
[  293.405076] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  293.423996] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  293.431707] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  293.438994] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  293.446262] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  293.453547] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  293.460816] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  293.468139]  ? dump_stack+0x34f/0x39d
[  293.471960]  ? dump_stack_print_info.cold.1+0x20/0x20
[  293.477161]  ? mark_held_locks+0x130/0x130
[  293.481407]  ? mark_held_locks+0x130/0x130
[  293.485683]  dump_header+0x27b/0xf72
[  293.489419]  ? pagefault_out_of_memory+0x197/0x197
[  293.494358]  ? __lock_acquire+0x62f/0x4c20
[  293.498645]  ? percpu_ref_get_many+0x240/0x240
[  293.503249]  ? print_usage_bug+0xc0/0xc0
[  293.507332]  ? zap_class+0x640/0x640
[  293.511050]  ? print_usage_bug+0xc0/0xc0
[  293.515137]  ? print_usage_bug+0xc0/0xc0
[  293.519206]  ? zap_class+0x640/0x640
[  293.522926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.528499]  ? find_held_lock+0x36/0x1c0
[  293.532576]  ? mark_held_locks+0xc7/0x130
[  293.536730]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  293.541835]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  293.546942]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  293.551527]  ? trace_hardirqs_on+0xbd/0x310
[  293.555882]  ? kasan_check_read+0x11/0x20
[  293.560051]  ? ___ratelimit+0x3b4/0x672
[  293.564034]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.569153]  ? trace_hardirqs_on+0x310/0x310
[  293.573571]  ? lock_downgrade+0x900/0x900
[  293.577747]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.582880]  ? ___ratelimit+0x3b9/0x672
[  293.586898]  ? idr_get_free+0xf70/0xf70
[  293.590872]  ? find_held_lock+0x36/0x1c0
[  293.594941]  oom_kill_process.cold.27+0x10/0x903
[  293.599699]  ? zap_class+0x640/0x640
[  293.603423]  ? check_preemption_disabled+0x48/0x280
[  293.608459]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.613388]  ? kasan_check_read+0x11/0x20
[  293.617537]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.622848]  ? oom_evaluate_task+0x540/0x540
[  293.627263]  ? find_held_lock+0x36/0x1c0
[  293.631379]  ? out_of_memory+0x974/0x1430
[  293.635549]  ? lock_downgrade+0x900/0x900
[  293.639704]  ? check_preemption_disabled+0x48/0x280
[  293.644742]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.649679]  ? kasan_check_read+0x11/0x20
[  293.653838]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.659140]  ? rcu_softirq_qs+0x20/0x20
[  293.663142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.668682]  ? oom_evaluate_task+0x302/0x540
[  293.673112]  out_of_memory+0xa84/0x1430
[  293.677126]  ? oom_killer_disable+0x3a0/0x3a0
[  293.681627]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  293.686593]  ? __ww_mutex_check_waiters+0x160/0x160
[  293.691639]  __alloc_pages_slowpath+0x2354/0x2e10
[  293.696513]  ? warn_alloc+0x120/0x120
[  293.700315]  ? mark_held_locks+0x130/0x130
[  293.704587]  ? find_get_entry+0xaae/0x1120
[  293.708840]  ? filemap_map_pages+0x1a20/0x1a20
[  293.713428]  ? zap_class+0x640/0x640
[  293.717166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.722708]  ? check_preemption_disabled+0x48/0x280
[  293.727725]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.733263]  ? should_fail+0x22d/0xd01
[  293.737160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.742272]  ? zap_class+0x640/0x640
[  293.746011]  ? __lock_is_held+0xb5/0x140
[  293.750105]  ? mark_held_locks+0x130/0x130
[  293.754366]  ? lock_release+0xa00/0xa00
[  293.758347]  ? perf_trace_sched_process_exec+0x860/0x860
[  293.763819]  ? xa_load+0x2ba/0x460
[  293.767363]  ? lock_downgrade+0x900/0x900
[  293.771524]  ? __might_sleep+0x95/0x190
[  293.775511]  __alloc_pages_nodemask+0xa80/0xde0
[  293.780195]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  293.785216]  ? __page_cache_alloc+0x191/0x5c0
[  293.789733]  ? xa_load+0x2e1/0x460
[  293.793277]  ? xa_clear_mark+0x40/0x40
[  293.797173]  ? zap_class+0x640/0x640
[  293.800899]  ? zap_class+0x640/0x640
[  293.804611]  ? zap_class+0x640/0x640
[  293.808327]  ? __do_page_cache_readahead+0x663/0x810
[  293.813436]  ? find_held_lock+0x36/0x1c0
[  293.817538]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  293.823097]  alloc_pages_current+0x173/0x350
[  293.827520]  __page_cache_alloc+0x38c/0x5c0
[  293.831843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.836777]  ? kasan_check_read+0x11/0x20
[  293.840930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.846214]  ? generic_perform_write+0x6a0/0x6a0
[  293.850977]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.856535]  ? check_preemption_disabled+0x48/0x280
[  293.861558]  filemap_fault+0x1595/0x25f0
[  293.865634]  ? __lock_page_or_retry+0xa00/0xa00
[  293.870319]  ? mark_held_locks+0x130/0x130
[  293.874565]  ? filemap_map_pages+0xd6b/0x1a20
[  293.879062]  ? lock_downgrade+0x900/0x900
[  293.883225]  ? check_preemption_disabled+0x48/0x280
[  293.888279]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.893210]  ? kasan_check_read+0x11/0x20
[  293.897374]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.902651]  ? rcu_softirq_qs+0x20/0x20
[  293.906643]  ? filemap_map_pages+0xd92/0x1a20
[  293.911162]  ? find_get_entries_tag+0x1400/0x1400
[  293.916008]  ? debug_object_destroy+0x2b0/0x2b0
[  293.920683]  ? lock_pi_update_atomic+0x150/0x150
[  293.925440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.931006]  ? lock_acquire+0x1ed/0x520
[  293.934982]  ? ext4_filemap_fault+0x7a/0xad
[  293.939310]  ? lock_release+0xa00/0xa00
[  293.943289]  ? perf_trace_sched_process_exec+0x860/0x860
[  293.948745]  ? print_usage_bug+0xc0/0xc0
[  293.952808]  ? print_usage_bug+0xc0/0xc0
[  293.956883]  ? down_read+0x8d/0x120
[  293.960511]  ? ext4_filemap_fault+0x7a/0xad
[  293.964836]  ? __down_interruptible+0x700/0x700
[  293.969515]  ext4_filemap_fault+0x82/0xad
[  293.973710]  __do_fault+0x100/0x6b0
[  293.977342]  ? pmd_devmap_trans_unstable+0x220/0x220
[  293.982452]  ? mark_held_locks+0x130/0x130
[  293.986709]  ? mark_held_locks+0x130/0x130
[  293.990950]  ? debug_smp_processor_id+0x1c/0x20
[  293.995638]  ? perf_trace_lock+0x14d/0x7a0
[  293.999872]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  294.005513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.011060]  __handle_mm_fault+0x3ea0/0x5be0
[  294.015501]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  294.020354]  ? lock_is_held_type+0x210/0x210
[  294.024767]  ? file_remove_privs+0x540/0x540
[  294.029193]  ? zap_class+0x640/0x640
[  294.032911]  ? zap_class+0x640/0x640
[  294.036627]  ? __x64_sys_futex+0x53e/0x6a0
[  294.040865]  ? find_held_lock+0x36/0x1c0
[  294.044936]  ? handle_mm_fault+0x42a/0xc70
[  294.049180]  ? lock_downgrade+0x900/0x900
[  294.053335]  ? check_preemption_disabled+0x48/0x280
[  294.058358]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  294.063368]  ? kasan_check_read+0x11/0x20
[  294.067516]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.072796]  ? rcu_softirq_qs+0x20/0x20
[  294.076772]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.081879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.087433]  ? check_preemption_disabled+0x48/0x280
[  294.092503]  handle_mm_fault+0x54f/0xc70
[  294.096571]  ? __handle_mm_fault+0x5be0/0x5be0
[  294.101160]  ? find_vma+0x34/0x190
[  294.104709]  __do_page_fault+0x5e8/0xe60
[  294.108770]  ? trace_hardirqs_off+0xb8/0x310
[  294.113202]  do_page_fault+0xf2/0x7e0
[  294.117007]  ? vmalloc_sync_all+0x30/0x30
[  294.121184]  ? error_entry+0x70/0xd0
[  294.124915]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.129944]  ? trace_hardirqs_on_caller+0xc0/0x310
[  294.134880]  ? syscall_return_slowpath+0x5e0/0x5e0
[  294.139810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.144657]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.149678]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.155147]  ? prepare_exit_to_usermode+0x291/0x3b0
[  294.160178]  ? page_fault+0x8/0x30
[  294.163724]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.168568]  ? page_fault+0x8/0x30
[  294.172119]  page_fault+0x1e/0x30
[  294.175575] RIP: 0033:0x40f9c0
[  294.178828] Code: Bad RIP value.
[  294.182191] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  294.187552] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  294.194818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  294.202097] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  294.209395] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  294.216661] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  294.223954] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  294.223960] warn_alloc_show_mem: 1 callbacks suppressed
[  294.223967] Mem-Info:
[  294.231184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.236581] active_anon:50082 inactive_anon:201 isolated_anon:0
[  294.236581]  active_file:11 inactive_file:13 isolated_file:0
[  294.236581]  unevictable:0 dirty:0 writeback:0 unstable:0
[  294.236581]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  294.236581]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  294.236581]  free:13738 free_pcp:300 free_cma:0
[  294.238951] Call Trace:
[  294.248341] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  294.281186]  <IRQ>
[  294.283756] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  294.311275]  dump_stack+0x244/0x39d
[  294.313394] lowmem_reserve[]: 0 2818 6321 6321
[  294.339992]  ? dump_stack_print_info.cold.1+0x20/0x20
[  294.343594] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  294.348192]  warn_alloc.cold.116+0xb7/0x1bd
[  294.353344] lowmem_reserve[]: 0 0 3503 3503
[  294.380944]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.385242] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  294.389561]  ? lock_downgrade+0x900/0x900
[  294.394368] lowmem_reserve[]: 0 0 0 0
[  294.423439]  ? trace_hardirqs_off+0xb8/0x310
[  294.427555] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  294.431369]  ? trace_hardirqs_off+0xb8/0x310
[  294.435752] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  294.449658]  __alloc_pages_slowpath+0x26e8/0x2e10
[  294.454037] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  294.469143]  ? warn_alloc+0x120/0x120
[  294.473943] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  294.488493]  ? print_usage_bug+0xc0/0xc0
[  294.492268] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  294.501122]  ? warn_alloc+0x120/0x120
[  294.501139]  ? warn_alloc+0x120/0x120
[  294.505179] 268 total pagecache pages
[  294.513740]  ? print_usage_bug+0xc0/0xc0
[  294.517556] 0 pages in swap cache
[  294.521356]  ? kvm_clock_read+0x18/0x30
[  294.525132] Swap cache stats: add 0, delete 0, find 0/0
[  294.529181]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  294.532612] Free swap  = 0kB
[  294.532620] Total swap = 0kB
[  294.536603]  ? print_usage_bug+0xc0/0xc0
[  294.541960] 1965979 pages RAM
[  294.546963]  ? __lock_acquire+0x62f/0x4c20
[  294.549974] 0 pages HighMem/MovableOnly
[  294.552978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.557009] 342853 pages reserved
[  294.560111]  ? should_fail+0x22d/0xd01
[  294.564315] 0 pages cma reserved
[  294.568280]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.573859] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.577234]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.581213] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.584506]  ? __lock_acquire+0x62f/0x4c20
[  294.589845] syz-fuzzer cpuset=/ mems_allowed=0
[  294.596344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.625512]  ? __lock_acquire+0x62f/0x4c20
[  294.629757]  ? should_fail+0x22d/0xd01
[  294.633642]  ? rcu_irq_exit+0x1a2/0x390
[  294.637626]  ? mark_held_locks+0x130/0x130
[  294.641863]  ? mark_held_locks+0x130/0x130
[  294.646108]  ? mark_held_locks+0xc7/0x130
[  294.650260]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  294.655291]  ? zap_class+0x640/0x640
[  294.659006]  ? print_usage_bug+0xc0/0xc0
[  294.663071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.668632]  ? check_preemption_disabled+0x48/0x280
[  294.673666]  ? __lock_is_held+0xb5/0x140
[  294.677746]  __alloc_pages_nodemask+0xa80/0xde0
[  294.682500]  ? zap_class+0x640/0x640
[  294.686229]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  294.691258]  ? find_held_lock+0x36/0x1c0
[  294.695359]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.700037]  ? lock_downgrade+0x900/0x900
[  294.704191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.709732]  cache_grow_begin+0xa5/0x8c0
[  294.713788]  ? do_raw_spin_unlock+0xa7/0x330
[  294.718199]  fallback_alloc+0x204/0x2e0
[  294.722210]  ____cache_alloc_node+0x1c7/0x1e0
[  294.726705]  kmem_cache_alloc_node+0xe3/0x730
[  294.731197]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.735443]  __alloc_skb+0x119/0x770
[  294.739156]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.744435]  ? netdev_alloc_frag+0x1f0/0x1f0
[  294.748842]  ? lock_downgrade+0x900/0x900
[  294.752995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.758561]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.764013]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.769460]  ? addrconf_rs_timer+0x690/0x690
[  294.773894]  ndisc_alloc_skb+0x144/0x340
[  294.777959]  ndisc_send_rs+0x331/0x6e0
[  294.781879]  addrconf_rs_timer+0x314/0x690
[  294.786146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.790388]  call_timer_fn+0x272/0x920
[  294.794278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.798528]  ? process_timeout+0x40/0x40
[  294.802602]  ? __run_timers+0x7da/0xc70
[  294.806582]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.811078]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.815613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.819858]  ? lockdep_hardirqs_on+0x296/0x5b0
[  294.824468]  ? trace_hardirqs_on+0xbd/0x310
[  294.828788]  ? kasan_check_read+0x11/0x20
[  294.832930]  ? __run_timers+0x7da/0xc70
[  294.836907]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.842186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.846428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.850659]  __run_timers+0x7e5/0xc70
[  294.854485]  ? timer_fixup_init+0x70/0x70
[  294.858676]  ? kasan_check_read+0x11/0x20
[  294.862834]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.868117]  ? rcu_softirq_qs+0x20/0x20
[  294.872099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.877639]  ? check_preemption_disabled+0x48/0x280
[  294.882660]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.887443]  ? retint_kernel+0x2d/0x2d
[  294.891344]  ? trace_hardirqs_on_caller+0xc0/0x310
[  294.896298]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.901053]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.906511]  ? zap_class+0x640/0x640
[  294.910227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.915761]  ? check_preemption_disabled+0x48/0x280
[  294.920781]  ? __lock_is_held+0xb5/0x140
[  294.924840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.930397]  ? check_preemption_disabled+0x48/0x280
[  294.935486]  run_timer_softirq+0x52/0xb0
[  294.939551]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.944565]  __do_softirq+0x308/0xb7e
[  294.948374]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  294.952867]  ? lock_downgrade+0x900/0x900
[  294.957034]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.962144]  ? pvclock_read_flags+0x160/0x160
[  294.966644]  ? lapic_next_event+0x5a/0x90
[  294.970796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.976344]  ? kvm_clock_read+0x18/0x30
[  294.980339]  ? kvm_sched_clock_read+0x9/0x20
[  294.984749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.990298]  ? check_preemption_disabled+0x48/0x280
[  294.995431]  irq_exit+0x17f/0x1c0
[  294.998889]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.003737]  ? smp_reschedule_interrupt+0x109/0x650
[  295.008755]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.014641]  ? interrupt_entry+0xb5/0xc0
[  295.018703]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.023720]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.028734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.033610]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.038628]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.043661]  ? task_prio+0x50/0x50
[  295.047210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.052747]  ? check_preemption_disabled+0x48/0x280
[  295.057767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.062624]  apic_timer_interrupt+0xf/0x20
[  295.066857]  </IRQ>
[  295.069105] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  295.074038] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  295.092955] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  295.100702] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  295.107991] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  295.115270] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  295.122561] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  295.129845] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  295.137182]  skb_clone+0x1bb/0x500
[  295.140745]  ? finish_task_switch+0x1b4/0x910
[  295.145264]  ? skb_split+0x11e0/0x11e0
[  295.149171]  ? preempt_notifier_register+0x200/0x200
[  295.154282]  ? __switch_to_asm+0x34/0x70
[  295.158374]  ? __switch_to_asm+0x34/0x70
[  295.162436]  ? __switch_to_asm+0x40/0x70
[  295.166496]  ? __switch_to_asm+0x34/0x70
[  295.170559]  ? __switch_to_asm+0x40/0x70
[  295.174629]  ? __switch_to_asm+0x34/0x70
[  295.178685]  ? __switch_to_asm+0x40/0x70
[  295.182746]  ? __switch_to_asm+0x34/0x70
[  295.186813]  ? __switch_to_asm+0x34/0x70
[  295.190899]  ? __switch_to_asm+0x40/0x70
[  295.194961]  ? __switch_to_asm+0x34/0x70
[  295.199028]  bpf_clone_redirect+0xb9/0x490
[  295.203280]  ? __schedule+0x8d7/0x21d0
[  295.207192]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  295.212216]  ? __sched_text_start+0x8/0x8
[  295.216373]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  295.220964]  ? retint_kernel+0x2d/0x2d
[  295.224854]  ? trace_hardirqs_on_caller+0xc0/0x310
[  295.229787]  ? find_held_lock+0x36/0x1c0
[  295.233888]  ? lock_acquire+0x1ed/0x520
[  295.237893]  ? bpf_test_run+0x3cb/0x780
[  295.241888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.247453]  ? check_preemption_disabled+0x48/0x280
[  295.252511]  ? kasan_check_read+0x11/0x20
[  295.256669]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.261965]  ? rcu_softirq_qs+0x20/0x20
[  295.265973]  ? preempt_schedule+0x4d/0x60
[  295.270127]  ? ___preempt_schedule+0x16/0x18
[  295.274546]  ? bpf_test_run+0x25d/0x780
[  295.278539]  ? netlink_diag_dump+0x2a0/0x2a0
[  295.282958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.288498]  ? bpf_test_init.isra.10+0x70/0x100
[  295.293180]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  295.297948]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  295.302796]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  295.308338]  ? fput+0x130/0x1a0
[  295.311624]  ? __bpf_prog_get+0x9b/0x290
[  295.315708]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  295.320547]  ? bpf_prog_test_run+0x130/0x1a0
[  295.324979]  ? __x64_sys_bpf+0x3d8/0x520
[  295.329057]  ? bpf_prog_get+0x20/0x20
[  295.332917]  ? do_syscall_64+0x1b9/0x820
[  295.336982]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  295.342369]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.347299]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.352186]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.357209]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  295.362230]  ? prepare_exit_to_usermode+0x291/0x3b0
[  295.367255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.372147]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  295.377533] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  295.377631] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.384465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.384470] Call Trace:
[  295.384478]  <IRQ>
[  295.384502]  dump_stack+0x244/0x39d
[  295.384520]  ? dump_stack_print_info.cold.1+0x20/0x20
[  295.391099] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.400382]  warn_alloc.cold.116+0xb7/0x1bd
[  295.402933] syz-executor3 cpuset=syz3 mems_allowed=0
[  295.405111]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.438704]  ? lock_downgrade+0x900/0x900
[  295.442903]  ? trace_hardirqs_off+0xb8/0x310
[  295.447372]  ? trace_hardirqs_off+0xb8/0x310
[  295.451816]  __alloc_pages_slowpath+0x26e8/0x2e10
[  295.456708]  ? warn_alloc+0x120/0x120
[  295.460532]  ? print_usage_bug+0xc0/0xc0
[  295.464610]  ? warn_alloc+0x120/0x120
[  295.468430]  ? warn_alloc+0x120/0x120
[  295.472248]  ? print_usage_bug+0xc0/0xc0
[  295.476327]  ? print_usage_bug+0xc0/0xc0
[  295.480413]  ? __lock_acquire+0x62f/0x4c20
[  295.484672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.490218]  ? should_fail+0x22d/0xd01
[  295.494128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.499238]  ? __lock_acquire+0x62f/0x4c20
[  295.503484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.508591]  ? __lock_acquire+0x62f/0x4c20
[  295.512846]  ? should_fail+0x22d/0xd01
[  295.516758]  ? find_held_lock+0x36/0x1c0
[  295.520853]  ? mark_held_locks+0x130/0x130
[  295.525115]  ? mark_held_locks+0x130/0x130
[  295.529359]  ? zap_class+0x640/0x640
[  295.533110]  ? zap_class+0x640/0x640
[  295.536843]  ? print_usage_bug+0xc0/0xc0
[  295.540913]  ? do_raw_spin_unlock+0xa7/0x330
[  295.545331]  ? zap_class+0x640/0x640
[  295.549056]  ? print_usage_bug+0xc0/0xc0
[  295.553139]  ? wq_watchdog_touch+0x9c/0xfe
[  295.557400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.562955]  ? check_preemption_disabled+0x48/0x280
[  295.567994]  ? __lock_is_held+0xb5/0x140
[  295.572089]  __alloc_pages_nodemask+0xa80/0xde0
[  295.576779]  ? zap_class+0x640/0x640
[  295.580534]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  295.585588]  ? find_held_lock+0x36/0x1c0
[  295.589664]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.594340]  ? lock_downgrade+0x900/0x900
[  295.598501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.604045]  cache_grow_begin+0xa5/0x8c0
[  295.608122]  ? do_raw_spin_unlock+0xa7/0x330
[  295.612553]  fallback_alloc+0x204/0x2e0
[  295.616539]  ____cache_alloc_node+0x1c7/0x1e0
[  295.621067]  kmem_cache_alloc_node+0xe3/0x730
[  295.625596]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.629888]  __alloc_skb+0x119/0x770
[  295.633666]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.638955]  ? netdev_alloc_frag+0x1f0/0x1f0
[  295.643373]  ? lock_downgrade+0x900/0x900
[  295.647541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.653112]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.658587]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.664115]  ? addrconf_rs_timer+0x690/0x690
[  295.668587]  ndisc_alloc_skb+0x144/0x340
[  295.672669]  ndisc_send_rs+0x331/0x6e0
[  295.676580]  addrconf_rs_timer+0x314/0x690
[  295.680836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.685106]  call_timer_fn+0x272/0x920
[  295.689014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.693265]  ? process_timeout+0x40/0x40
[  295.697348]  ? mark_held_locks+0xc7/0x130
[  295.701535]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.706031]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.710545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.714791]  ? lockdep_hardirqs_on+0x296/0x5b0
[  295.719417]  ? trace_hardirqs_on+0xbd/0x310
[  295.723751]  ? kasan_check_read+0x11/0x20
[  295.727907]  ? __run_timers+0x7da/0xc70
[  295.731887]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.737011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.741259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.745502]  __run_timers+0x7e5/0xc70
[  295.749322]  ? timer_fixup_init+0x70/0x70
[  295.753509]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  295.758539]  ? zap_class+0x640/0x640
[  295.762267]  ? print_usage_bug+0xc0/0xc0
[  295.766336]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  295.771551]  ? find_held_lock+0x36/0x1c0
[  295.775642]  ? zap_class+0x640/0x640
[  295.779385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.784932]  ? check_preemption_disabled+0x48/0x280
[  295.789964]  ? __lock_is_held+0xb5/0x140
[  295.794050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.799603]  ? check_preemption_disabled+0x48/0x280
[  295.804629]  run_timer_softirq+0x52/0xb0
[  295.808698]  ? rcu_read_lock_sched_held+0x14f/0x180
[  295.813729]  __do_softirq+0x308/0xb7e
[  295.817540]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  295.822039]  ? lock_downgrade+0x900/0x900
[  295.826195]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  295.831312]  ? pvclock_read_flags+0x160/0x160
[  295.835817]  ? lapic_next_event+0x5a/0x90
[  295.840000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.845546]  ? kvm_clock_read+0x18/0x30
[  295.849522]  ? kvm_sched_clock_read+0x9/0x20
[  295.853938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.859498]  ? check_preemption_disabled+0x48/0x280
[  295.864529]  irq_exit+0x17f/0x1c0
[  295.867989]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.872832]  ? smp_reschedule_interrupt+0x109/0x650
[  295.877862]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.883748]  ? interrupt_entry+0xb5/0xc0
[  295.887817]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.892852]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.897876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.902726]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.907743]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.912760]  ? task_prio+0x50/0x50
[  295.916307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.921851]  ? check_preemption_disabled+0x48/0x280
[  295.926893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.931750]  apic_timer_interrupt+0xf/0x20
[  295.935987]  </IRQ>
[  295.938246] RIP: 0010:dump_stack+0x358/0x39d
[  295.942659] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  295.961578] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  295.969306] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  295.976609] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  295.983880] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  295.991169] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  295.998455] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  296.005758]  ? dump_stack+0x34f/0x39d
[  296.009583]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.014778]  ? mark_held_locks+0x130/0x130
[  296.019020]  ? mark_held_locks+0x130/0x130
[  296.023274]  dump_header+0x27b/0xf72
[  296.027016]  ? pagefault_out_of_memory+0x197/0x197
[  296.031983]  ? __lock_acquire+0x62f/0x4c20
[  296.036241]  ? percpu_ref_get_many+0x240/0x240
[  296.040865]  ? print_usage_bug+0xc0/0xc0
[  296.044934]  ? zap_class+0x640/0x640
[  296.048651]  ? print_usage_bug+0xc0/0xc0
[  296.052747]  ? print_usage_bug+0xc0/0xc0
[  296.056809]  ? zap_class+0x640/0x640
[  296.060540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.066080]  ? find_held_lock+0x36/0x1c0
[  296.070169]  ? mark_held_locks+0xc7/0x130
[  296.074324]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  296.079454]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  296.084558]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  296.089169]  ? trace_hardirqs_on+0xbd/0x310
[  296.093507]  ? kasan_check_read+0x11/0x20
[  296.097658]  ? ___ratelimit+0x3b4/0x672
[  296.101633]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.106742]  ? trace_hardirqs_on+0x310/0x310
[  296.111156]  ? lock_downgrade+0x900/0x900
[  296.115347]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.120480]  ? ___ratelimit+0x3b9/0x672
[  296.124471]  ? idr_get_free+0xf70/0xf70
[  296.128455]  ? find_held_lock+0x36/0x1c0
[  296.132531]  oom_kill_process.cold.27+0x10/0x903
[  296.137292]  ? zap_class+0x640/0x640
[  296.141009]  ? check_preemption_disabled+0x48/0x280
[  296.146063]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.151004]  ? kasan_check_read+0x11/0x20
[  296.155150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.160450]  ? oom_evaluate_task+0x540/0x540
[  296.164902]  ? find_held_lock+0x36/0x1c0
[  296.168979]  ? out_of_memory+0x974/0x1430
[  296.173135]  ? lock_downgrade+0x900/0x900
[  296.177288]  ? check_preemption_disabled+0x48/0x280
[  296.182317]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.187283]  ? kasan_check_read+0x11/0x20
[  296.191435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.196712]  ? rcu_softirq_qs+0x20/0x20
[  296.200693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.206229]  ? oom_evaluate_task+0x302/0x540
[  296.210645]  out_of_memory+0xa84/0x1430
[  296.214636]  ? oom_killer_disable+0x3a0/0x3a0
[  296.219140]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  296.224120]  ? __ww_mutex_check_waiters+0x160/0x160
[  296.229176]  __alloc_pages_slowpath+0x2354/0x2e10
[  296.234054]  ? warn_alloc+0x120/0x120
[  296.237871]  ? mark_held_locks+0x130/0x130
[  296.242126]  ? find_get_entry+0xaae/0x1120
[  296.246388]  ? filemap_map_pages+0x1a20/0x1a20
[  296.250986]  ? zap_class+0x640/0x640
[  296.254712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.260278]  ? check_preemption_disabled+0x48/0x280
[  296.265310]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.270854]  ? should_fail+0x22d/0xd01
[  296.274752]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.279886]  ? zap_class+0x640/0x640
[  296.283645]  ? __lock_is_held+0xb5/0x140
[  296.287722]  ? mark_held_locks+0x130/0x130
[  296.291968]  ? lock_release+0xa00/0xa00
[  296.295953]  ? perf_trace_sched_process_exec+0x860/0x860
[  296.301521]  ? xa_load+0x2ba/0x460
[  296.305092]  ? lock_downgrade+0x900/0x900
[  296.309287]  ? __might_sleep+0x95/0x190
[  296.313275]  __alloc_pages_nodemask+0xa80/0xde0
[  296.318491]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  296.323512]  ? __page_cache_alloc+0x191/0x5c0
[  296.328011]  ? xa_load+0x2e1/0x460
[  296.331558]  ? xa_clear_mark+0x40/0x40
[  296.335465]  ? zap_class+0x640/0x640
[  296.339193]  ? zap_class+0x640/0x640
[  296.342906]  ? zap_class+0x640/0x640
[  296.346628]  ? __do_page_cache_readahead+0x663/0x810
[  296.351770]  ? find_held_lock+0x36/0x1c0
[  296.355845]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  296.361396]  alloc_pages_current+0x173/0x350
[  296.365822]  __page_cache_alloc+0x38c/0x5c0
[  296.370152]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.375111]  ? kasan_check_read+0x11/0x20
[  296.379291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.384610]  ? generic_perform_write+0x6a0/0x6a0
[  296.389394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.394967]  ? check_preemption_disabled+0x48/0x280
[  296.400006]  filemap_fault+0x1595/0x25f0
[  296.404135]  ? __lock_page_or_retry+0xa00/0xa00
[  296.408853]  ? mark_held_locks+0x130/0x130
[  296.413138]  ? filemap_map_pages+0xd6b/0x1a20
[  296.417673]  ? lock_downgrade+0x900/0x900
[  296.421857]  ? check_preemption_disabled+0x48/0x280
[  296.426931]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.431880]  ? kasan_check_read+0x11/0x20
[  296.436046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.441394]  ? rcu_softirq_qs+0x20/0x20
[  296.445406]  ? filemap_map_pages+0xd92/0x1a20
[  296.450287]  ? find_get_entries_tag+0x1400/0x1400
[  296.455174]  ? debug_object_destroy+0x2b0/0x2b0
[  296.459888]  ? lock_pi_update_atomic+0x150/0x150
[  296.464680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.470277]  ? lock_acquire+0x1ed/0x520
[  296.474301]  ? ext4_filemap_fault+0x7a/0xad
[  296.478669]  ? lock_release+0xa00/0xa00
[  296.482678]  ? perf_trace_sched_process_exec+0x860/0x860
[  296.488188]  ? print_usage_bug+0xc0/0xc0
[  296.492282]  ? print_usage_bug+0xc0/0xc0
[  296.496395]  ? down_read+0x8d/0x120
[  296.500036]  ? ext4_filemap_fault+0x7a/0xad
[  296.504407]  ? __down_interruptible+0x700/0x700
[  296.509119]  ext4_filemap_fault+0x82/0xad
[  296.513291]  __do_fault+0x100/0x6b0
[  296.516939]  ? pmd_devmap_trans_unstable+0x220/0x220
[  296.522068]  ? mark_held_locks+0x130/0x130
[  296.526340]  ? mark_held_locks+0x130/0x130
[  296.530595]  ? debug_smp_processor_id+0x1c/0x20
[  296.535286]  ? perf_trace_lock+0x14d/0x7a0
[  296.539552]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  296.545200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.550765]  __handle_mm_fault+0x3ea0/0x5be0
[  296.555205]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  296.560066]  ? lock_is_held_type+0x210/0x210
[  296.564523]  ? file_remove_privs+0x540/0x540
[  296.568984]  ? zap_class+0x640/0x640
[  296.572721]  ? zap_class+0x640/0x640
[  296.576444]  ? __x64_sys_futex+0x53e/0x6a0
[  296.580701]  ? find_held_lock+0x36/0x1c0
[  296.584820]  ? handle_mm_fault+0x42a/0xc70
[  296.589073]  ? lock_downgrade+0x900/0x900
[  296.593276]  ? check_preemption_disabled+0x48/0x280
[  296.598319]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.603264]  ? kasan_check_read+0x11/0x20
[  296.607436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.612736]  ? rcu_softirq_qs+0x20/0x20
[  296.616734]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.621870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.627421]  ? check_preemption_disabled+0x48/0x280
[  296.632482]  handle_mm_fault+0x54f/0xc70
[  296.636588]  ? __handle_mm_fault+0x5be0/0x5be0
[  296.641195]  ? find_vma+0x34/0x190
[  296.644753]  __do_page_fault+0x5e8/0xe60
[  296.648823]  ? trace_hardirqs_off+0xb8/0x310
[  296.653283]  do_page_fault+0xf2/0x7e0
[  296.657106]  ? vmalloc_sync_all+0x30/0x30
[  296.661266]  ? error_entry+0x70/0xd0
[  296.664989]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.670031]  ? trace_hardirqs_on_caller+0xc0/0x310
[  296.674981]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.679931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.684793]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.689830]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.695322]  ? prepare_exit_to_usermode+0x291/0x3b0
[  296.700396]  ? page_fault+0x8/0x30
[  296.703983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.708867]  ? page_fault+0x8/0x30
[  296.712450]  page_fault+0x1e/0x30
[  296.715938] RIP: 0033:0x40f9c0
[  296.719175] Code: Bad RIP value.
[  296.722574] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  296.727982] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  296.735262] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  296.742551] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  296.749925] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  296.757219] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  296.764541] warn_alloc_show_mem: 1 callbacks suppressed
[  296.764555] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  296.764557] Mem-Info:
[  296.764606] active_anon:50082 inactive_anon:201 isolated_anon:0
[  296.764606]  active_file:11 inactive_file:13 isolated_file:0
[  296.764606]  unevictable:0 dirty:0 writeback:0 unstable:0
[  296.764606]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  296.764606]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  296.764606]  free:13738 free_pcp:300 free_cma:0
[  296.770003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.777241] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  296.779676] Call Trace:
[  296.812565] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  296.821944]  <IRQ>
[  296.849442] lowmem_reserve[]: 0 2818 6321 6321
[  296.852057]  dump_stack+0x244/0x39d
[  296.878138] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  296.880319]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.884882] lowmem_reserve[]: 0 0 3503 3503
[  296.888518]  warn_alloc.cold.116+0xb7/0x1bd
[  296.916071] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  296.921261]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.925570] lowmem_reserve[]: 0 0 0 0
[  296.929909]  ? lock_downgrade+0x900/0x900
[  296.958771] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  296.963618]  ? trace_hardirqs_off+0xb8/0x310
[  296.967381] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  296.971545]  ? trace_hardirqs_off+0xb8/0x310
[  296.985045] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  296.989458]  __alloc_pages_slowpath+0x26e8/0x2e10
[  297.004546] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  297.008975]  ? warn_alloc+0x120/0x120
[  297.023499] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  297.028361]  ? print_usage_bug+0xc0/0xc0
[  297.037181] 268 total pagecache pages
[  297.040992]  ? warn_alloc+0x120/0x120
[  297.049551] 0 pages in swap cache
[  297.053604]  ? warn_alloc+0x120/0x120
[  297.057382] Swap cache stats: add 0, delete 0, find 0/0
[  297.061191]  ? print_usage_bug+0xc0/0xc0
[  297.064618] Free swap  = 0kB
[  297.068409]  ? print_usage_bug+0xc0/0xc0
[  297.073746] Total swap = 0kB
[  297.077801]  ? __lock_acquire+0x62f/0x4c20
[  297.080792] 1965979 pages RAM
[  297.084849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.087838] 0 pages HighMem/MovableOnly
[  297.092070]  ? should_fail+0x22d/0xd01
[  297.095149] 342853 pages reserved
[  297.100677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.104640] 0 pages cma reserved
[  297.108518]  ? __lock_acquire+0x62f/0x4c20
[  297.112058] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.117063]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.117077]  ? __lock_acquire+0x62f/0x4c20
[  297.117116]  ? should_fail+0x22d/0xd01
[  297.120563] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.124731]  ? find_held_lock+0x36/0x1c0
[  297.131214] syz-fuzzer cpuset=/ mems_allowed=0
[  297.136312]  ? mark_held_locks+0x130/0x130
[  297.167458]  ? mark_held_locks+0x130/0x130
[  297.171710]  ? zap_class+0x640/0x640
[  297.175429]  ? zap_class+0x640/0x640
[  297.179150]  ? print_usage_bug+0xc0/0xc0
[  297.183228]  ? do_raw_spin_unlock+0xa7/0x330
[  297.187723]  ? zap_class+0x640/0x640
[  297.191441]  ? print_usage_bug+0xc0/0xc0
[  297.195504]  ? wq_watchdog_touch+0x9c/0xfe
[  297.199771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.205328]  ? check_preemption_disabled+0x48/0x280
[  297.210351]  ? __lock_is_held+0xb5/0x140
[  297.214435]  __alloc_pages_nodemask+0xa80/0xde0
[  297.219152]  ? zap_class+0x640/0x640
[  297.222881]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  297.227925]  ? find_held_lock+0x36/0x1c0
[  297.232000]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.236672]  ? lock_downgrade+0x900/0x900
[  297.240843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.246386]  cache_grow_begin+0xa5/0x8c0
[  297.250449]  ? do_raw_spin_unlock+0xa7/0x330
[  297.254867]  fallback_alloc+0x204/0x2e0
[  297.258852]  ____cache_alloc_node+0x1c7/0x1e0
[  297.263352]  kmem_cache_alloc_node+0xe3/0x730
[  297.267920]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.272171]  __alloc_skb+0x119/0x770
[  297.275887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.281175]  ? netdev_alloc_frag+0x1f0/0x1f0
[  297.285605]  ? lock_downgrade+0x900/0x900
[  297.289776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.295317]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.300789]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.306262]  ? addrconf_rs_timer+0x690/0x690
[  297.310686]  ndisc_alloc_skb+0x144/0x340
[  297.314755]  ndisc_send_rs+0x331/0x6e0
[  297.318649]  addrconf_rs_timer+0x314/0x690
[  297.322904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.327167]  call_timer_fn+0x272/0x920
[  297.331062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.335322]  ? process_timeout+0x40/0x40
[  297.339402]  ? __run_timers+0x7da/0xc70
[  297.343382]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.347879]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.352379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.356621]  ? lockdep_hardirqs_on+0x296/0x5b0
[  297.361240]  ? trace_hardirqs_on+0xbd/0x310
[  297.365567]  ? kasan_check_read+0x11/0x20
[  297.369719]  ? __run_timers+0x7da/0xc70
[  297.373706]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.378829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.383116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.387397]  __run_timers+0x7e5/0xc70
[  297.391250]  ? timer_fixup_init+0x70/0x70
[  297.395417]  ? kasan_check_read+0x11/0x20
[  297.399568]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.404850]  ? rcu_softirq_qs+0x20/0x20
[  297.408832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.414387]  ? check_preemption_disabled+0x48/0x280
[  297.419419]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.424185]  ? retint_kernel+0x2d/0x2d
[  297.428078]  ? trace_hardirqs_on_caller+0xc0/0x310
[  297.433052]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.437820]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  297.443291]  ? zap_class+0x640/0x640
[  297.447013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.452554]  ? check_preemption_disabled+0x48/0x280
[  297.457605]  ? __lock_is_held+0xb5/0x140
[  297.461669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.467215]  ? check_preemption_disabled+0x48/0x280
[  297.472257]  run_timer_softirq+0x52/0xb0
[  297.476345]  ? rcu_read_lock_sched_held+0x14f/0x180
[  297.481392]  __do_softirq+0x308/0xb7e
[  297.485218]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  297.489725]  ? lock_downgrade+0x900/0x900
[  297.493890]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  297.499008]  ? pvclock_read_flags+0x160/0x160
[  297.503513]  ? lapic_next_event+0x5a/0x90
[  297.507673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.513229]  ? kvm_clock_read+0x18/0x30
[  297.517211]  ? kvm_sched_clock_read+0x9/0x20
[  297.521652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.527225]  ? check_preemption_disabled+0x48/0x280
[  297.532268]  irq_exit+0x17f/0x1c0
[  297.535752]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.540635]  ? smp_reschedule_interrupt+0x109/0x650
[  297.545665]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.551562]  ? interrupt_entry+0xb5/0xc0
[  297.555637]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.560679]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.565716]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.570571]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.575612]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.580655]  ? task_prio+0x50/0x50
[  297.584211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.589778]  ? check_preemption_disabled+0x48/0x280
[  297.594827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.599701]  apic_timer_interrupt+0xf/0x20
[  297.603944]  </IRQ>
[  297.606196] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  297.611146] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  297.630073] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  297.637826] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  297.645142] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  297.652459] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  297.659728] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  297.666998] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  297.674351]  skb_clone+0x1bb/0x500
[  297.677950]  ? finish_task_switch+0x1b4/0x910
[  297.682466]  ? skb_split+0x11e0/0x11e0
[  297.686384]  ? preempt_notifier_register+0x200/0x200
[  297.691512]  ? __switch_to_asm+0x34/0x70
[  297.695610]  ? __switch_to_asm+0x34/0x70
[  297.699701]  ? __switch_to_asm+0x40/0x70
[  297.703773]  ? __switch_to_asm+0x34/0x70
[  297.707867]  ? __switch_to_asm+0x40/0x70
[  297.711935]  ? __switch_to_asm+0x34/0x70
[  297.716016]  ? __switch_to_asm+0x40/0x70
[  297.720097]  ? __switch_to_asm+0x34/0x70
[  297.724220]  ? __switch_to_asm+0x34/0x70
[  297.728286]  ? __switch_to_asm+0x40/0x70
[  297.732356]  ? __switch_to_asm+0x34/0x70
[  297.736474]  bpf_clone_redirect+0xb9/0x490
[  297.740738]  ? __schedule+0x8d7/0x21d0
[  297.744655]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  297.749696]  ? __sched_text_start+0x8/0x8
[  297.753856]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  297.758440]  ? retint_kernel+0x2d/0x2d
[  297.762353]  ? trace_hardirqs_on_caller+0xc0/0x310
[  297.767355]  ? find_held_lock+0x36/0x1c0
[  297.771447]  ? lock_acquire+0x1ed/0x520
[  297.775438]  ? bpf_test_run+0x3cb/0x780
[  297.779434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.785007]  ? check_preemption_disabled+0x48/0x280
[  297.790070]  ? kasan_check_read+0x11/0x20
[  297.794254]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.799558]  ? rcu_softirq_qs+0x20/0x20
[  297.803557]  ? preempt_schedule+0x4d/0x60
[  297.807729]  ? ___preempt_schedule+0x16/0x18
[  297.812168]  ? bpf_test_run+0x25d/0x780
[  297.816180]  ? netlink_diag_dump+0x2a0/0x2a0
[  297.820624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.826193]  ? bpf_test_init.isra.10+0x70/0x100
[  297.830896]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  297.835685]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  297.840535]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  297.846076]  ? fput+0x130/0x1a0
[  297.849370]  ? __bpf_prog_get+0x9b/0x290
[  297.853440]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  297.858291]  ? bpf_prog_test_run+0x130/0x1a0
[  297.862723]  ? __x64_sys_bpf+0x3d8/0x520
[  297.866820]  ? bpf_prog_get+0x20/0x20
[  297.870686]  ? do_syscall_64+0x1b9/0x820
[  297.874771]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  297.880188]  ? syscall_return_slowpath+0x5e0/0x5e0
[  297.885142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.890012]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.895053]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  297.900112]  ? prepare_exit_to_usermode+0x291/0x3b0
[  297.905187]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.910076]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  297.915523] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  297.915613] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.922494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.922508] Call Trace:
[  297.929178] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.938379]  <IRQ>
[  297.940959] syz-executor3 cpuset=syz3 mems_allowed=0
[  297.951445]  dump_stack+0x244/0x39d
[  297.962308]  ? dump_stack_print_info.cold.1+0x20/0x20
[  297.967554]  warn_alloc.cold.116+0xb7/0x1bd
[  297.971923]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.976827]  ? lock_downgrade+0x900/0x900
[  297.981002]  ? trace_hardirqs_off+0xb8/0x310
[  297.985433]  ? trace_hardirqs_off+0xb8/0x310
[  297.989870]  __alloc_pages_slowpath+0x26e8/0x2e10
[  297.994767]  ? warn_alloc+0x120/0x120
[  297.998592]  ? print_usage_bug+0xc0/0xc0
[  298.002675]  ? warn_alloc+0x120/0x120
[  298.006510]  ? warn_alloc+0x120/0x120
[  298.010333]  ? print_usage_bug+0xc0/0xc0
[  298.014436]  ? print_usage_bug+0xc0/0xc0
[  298.018523]  ? __lock_acquire+0x62f/0x4c20
[  298.022783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.028351]  ? should_fail+0x22d/0xd01
[  298.032279]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.037427]  ? __lock_acquire+0x62f/0x4c20
[  298.041673]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.046781]  ? __lock_acquire+0x62f/0x4c20
[  298.051019]  ? should_fail+0x22d/0xd01
[  298.054911]  ? find_held_lock+0x36/0x1c0
[  298.058984]  ? mark_held_locks+0x130/0x130
[  298.063251]  ? mark_held_locks+0x130/0x130
[  298.067512]  ? zap_class+0x640/0x640
[  298.071249]  ? zap_class+0x640/0x640
[  298.074996]  ? print_usage_bug+0xc0/0xc0
[  298.079066]  ? do_raw_spin_unlock+0xa7/0x330
[  298.083507]  ? zap_class+0x640/0x640
[  298.087231]  ? print_usage_bug+0xc0/0xc0
[  298.091307]  ? wq_watchdog_touch+0x9c/0xfe
[  298.095584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.101147]  ? check_preemption_disabled+0x48/0x280
[  298.106196]  ? __lock_is_held+0xb5/0x140
[  298.110279]  __alloc_pages_nodemask+0xa80/0xde0
[  298.114969]  ? zap_class+0x640/0x640
[  298.118701]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  298.123751]  ? find_held_lock+0x36/0x1c0
[  298.127848]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.132553]  ? lock_downgrade+0x900/0x900
[  298.136723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.142300]  cache_grow_begin+0xa5/0x8c0
[  298.146387]  ? do_raw_spin_unlock+0xa7/0x330
[  298.150828]  fallback_alloc+0x204/0x2e0
[  298.154816]  ____cache_alloc_node+0x1c7/0x1e0
[  298.159356]  kmem_cache_alloc_node+0xe3/0x730
[  298.163862]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.168133]  __alloc_skb+0x119/0x770
[  298.171850]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.177134]  ? netdev_alloc_frag+0x1f0/0x1f0
[  298.181559]  ? lock_downgrade+0x900/0x900
[  298.185730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.191277]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.196741]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.202209]  ? addrconf_rs_timer+0x690/0x690
[  298.206679]  ndisc_alloc_skb+0x144/0x340
[  298.210772]  ndisc_send_rs+0x331/0x6e0
[  298.214685]  addrconf_rs_timer+0x314/0x690
[  298.218942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.223201]  call_timer_fn+0x272/0x920
[  298.227110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.231352]  ? process_timeout+0x40/0x40
[  298.235447]  ? mark_held_locks+0xc7/0x130
[  298.239635]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.244173]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.248688]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.252933]  ? lockdep_hardirqs_on+0x296/0x5b0
[  298.257537]  ? trace_hardirqs_on+0xbd/0x310
[  298.261864]  ? kasan_check_read+0x11/0x20
[  298.266013]  ? __run_timers+0x7da/0xc70
[  298.269990]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.275153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.279421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.283674]  __run_timers+0x7e5/0xc70
[  298.287504]  ? timer_fixup_init+0x70/0x70
[  298.291663]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.296726]  ? zap_class+0x640/0x640
[  298.300450]  ? print_usage_bug+0xc0/0xc0
[  298.304521]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.309724]  ? find_held_lock+0x36/0x1c0
[  298.313810]  ? zap_class+0x640/0x640
[  298.318053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.323613]  ? check_preemption_disabled+0x48/0x280
[  298.328665]  ? __lock_is_held+0xb5/0x140
[  298.332736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.338289]  ? check_preemption_disabled+0x48/0x280
[  298.343322]  run_timer_softirq+0x52/0xb0
[  298.347417]  ? rcu_read_lock_sched_held+0x14f/0x180
[  298.352463]  __do_softirq+0x308/0xb7e
[  298.356281]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  298.360789]  ? lock_downgrade+0x900/0x900
[  298.364951]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  298.370065]  ? pvclock_read_flags+0x160/0x160
[  298.374579]  ? lapic_next_event+0x5a/0x90
[  298.378737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.384286]  ? kvm_clock_read+0x18/0x30
[  298.388265]  ? kvm_sched_clock_read+0x9/0x20
[  298.392689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.398248]  ? check_preemption_disabled+0x48/0x280
[  298.403299]  irq_exit+0x17f/0x1c0
[  298.406815]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.411710]  ? smp_reschedule_interrupt+0x109/0x650
[  298.416766]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.422686]  ? interrupt_entry+0xb5/0xc0
[  298.426797]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.431834]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.436880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.441763]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.446800]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.452048]  ? task_prio+0x50/0x50
[  298.455618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.461182]  ? check_preemption_disabled+0x48/0x280
[  298.466245]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.471167]  apic_timer_interrupt+0xf/0x20
[  298.475422]  </IRQ>
[  298.477696] RIP: 0010:dump_stack+0x358/0x39d
[  298.482172] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  298.501138] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  298.508873] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  298.516177] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  298.523488] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  298.530791] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  298.538123] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  298.545496]  ? dump_stack+0x34f/0x39d
[  298.549360]  ? dump_stack_print_info.cold.1+0x20/0x20
[  298.554608]  ? mark_held_locks+0x130/0x130
[  298.558901]  ? mark_held_locks+0x130/0x130
[  298.563218]  dump_header+0x27b/0xf72
[  298.566978]  ? pagefault_out_of_memory+0x197/0x197
[  298.571947]  ? __lock_acquire+0x62f/0x4c20
[  298.576216]  ? percpu_ref_get_many+0x240/0x240
[  298.580830]  ? print_usage_bug+0xc0/0xc0
[  298.584922]  ? zap_class+0x640/0x640
[  298.588656]  ? print_usage_bug+0xc0/0xc0
[  298.592750]  ? print_usage_bug+0xc0/0xc0
[  298.596827]  ? zap_class+0x640/0x640
[  298.600558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.606156]  ? find_held_lock+0x36/0x1c0
[  298.610245]  ? mark_held_locks+0xc7/0x130
[  298.614434]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  298.619565]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  298.624691]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  298.629285]  ? trace_hardirqs_on+0xbd/0x310
[  298.633629]  ? kasan_check_read+0x11/0x20
[  298.637791]  ? ___ratelimit+0x3b4/0x672
[  298.641777]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.646890]  ? trace_hardirqs_on+0x310/0x310
[  298.651305]  ? lock_downgrade+0x900/0x900
[  298.655481]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  298.660594]  ? ___ratelimit+0x3b9/0x672
[  298.664588]  ? idr_get_free+0xf70/0xf70
[  298.668567]  ? find_held_lock+0x36/0x1c0
[  298.672641]  oom_kill_process.cold.27+0x10/0x903
[  298.677440]  ? zap_class+0x640/0x640
[  298.681165]  ? check_preemption_disabled+0x48/0x280
[  298.686203]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.691164]  ? kasan_check_read+0x11/0x20
[  298.695353]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.700659]  ? oom_evaluate_task+0x540/0x540
[  298.705092]  ? find_held_lock+0x36/0x1c0
[  298.709213]  ? out_of_memory+0x974/0x1430
[  298.713428]  ? lock_downgrade+0x900/0x900
[  298.717629]  ? check_preemption_disabled+0x48/0x280
[  298.722695]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.727652]  ? kasan_check_read+0x11/0x20
[  298.731837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.737159]  ? rcu_softirq_qs+0x20/0x20
[  298.741174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.746728]  ? oom_evaluate_task+0x302/0x540
[  298.751161]  out_of_memory+0xa84/0x1430
[  298.755161]  ? oom_killer_disable+0x3a0/0x3a0
[  298.759676]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  298.764627]  ? __ww_mutex_check_waiters+0x160/0x160
[  298.769683]  __alloc_pages_slowpath+0x2354/0x2e10
[  298.774583]  ? warn_alloc+0x120/0x120
[  298.778400]  ? mark_held_locks+0x130/0x130
[  298.782658]  ? find_get_entry+0xaae/0x1120
[  298.786925]  ? filemap_map_pages+0x1a20/0x1a20
[  298.791538]  ? zap_class+0x640/0x640
[  298.795284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.800859]  ? check_preemption_disabled+0x48/0x280
[  298.805907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.811469]  ? should_fail+0x22d/0xd01
[  298.815395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.820552]  ? zap_class+0x640/0x640
[  298.824315]  ? __lock_is_held+0xb5/0x140
[  298.828423]  ? mark_held_locks+0x130/0x130
[  298.832693]  ? lock_release+0xa00/0xa00
[  298.836681]  ? perf_trace_sched_process_exec+0x860/0x860
[  298.842170]  ? xa_load+0x2ba/0x460
[  298.845738]  ? lock_downgrade+0x900/0x900
[  298.849902]  ? __might_sleep+0x95/0x190
[  298.853925]  __alloc_pages_nodemask+0xa80/0xde0
[  298.858652]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  298.863731]  ? __page_cache_alloc+0x191/0x5c0
[  298.868253]  ? xa_load+0x2e1/0x460
[  298.871851]  ? xa_clear_mark+0x40/0x40
[  298.875771]  ? zap_class+0x640/0x640
[  298.879529]  ? zap_class+0x640/0x640
[  298.883284]  ? zap_class+0x640/0x640
[  298.887029]  ? __do_page_cache_readahead+0x663/0x810
[  298.892159]  ? find_held_lock+0x36/0x1c0
[  298.896249]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  298.901818]  alloc_pages_current+0x173/0x350
[  298.906270]  __page_cache_alloc+0x38c/0x5c0
[  298.910606]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.915551]  ? kasan_check_read+0x11/0x20
[  298.919722]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.925017]  ? generic_perform_write+0x6a0/0x6a0
[  298.929789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.935373]  ? check_preemption_disabled+0x48/0x280
[  298.940431]  filemap_fault+0x1595/0x25f0
[  298.944518]  ? __lock_page_or_retry+0xa00/0xa00
[  298.949213]  ? mark_held_locks+0x130/0x130
[  298.953472]  ? filemap_map_pages+0xd6b/0x1a20
[  298.957978]  ? lock_downgrade+0x900/0x900
[  298.962152]  ? check_preemption_disabled+0x48/0x280
[  298.967202]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.972173]  ? kasan_check_read+0x11/0x20
[  298.976370]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.981669]  ? rcu_softirq_qs+0x20/0x20
[  298.985689]  ? filemap_map_pages+0xd92/0x1a20
[  298.990228]  ? find_get_entries_tag+0x1400/0x1400
[  298.995119]  ? debug_object_destroy+0x2b0/0x2b0
[  298.999839]  ? lock_pi_update_atomic+0x150/0x150
[  299.004637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.010239]  ? lock_acquire+0x1ed/0x520
[  299.014241]  ? ext4_filemap_fault+0x7a/0xad
[  299.018596]  ? lock_release+0xa00/0xa00
[  299.022598]  ? perf_trace_sched_process_exec+0x860/0x860
[  299.028115]  ? print_usage_bug+0xc0/0xc0
[  299.032227]  ? print_usage_bug+0xc0/0xc0
[  299.036328]  ? down_read+0x8d/0x120
[  299.039979]  ? ext4_filemap_fault+0x7a/0xad
[  299.044321]  ? __down_interruptible+0x700/0x700
[  299.049027]  ext4_filemap_fault+0x82/0xad
[  299.053192]  __do_fault+0x100/0x6b0
[  299.056835]  ? pmd_devmap_trans_unstable+0x220/0x220
[  299.061951]  ? mark_held_locks+0x130/0x130
[  299.066190]  ? mark_held_locks+0x130/0x130
[  299.070444]  ? debug_smp_processor_id+0x1c/0x20
[  299.075123]  ? perf_trace_lock+0x14d/0x7a0
[  299.079366]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  299.085015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.090614]  __handle_mm_fault+0x3ea0/0x5be0
[  299.095046]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  299.099901]  ? lock_is_held_type+0x210/0x210
[  299.104346]  ? file_remove_privs+0x540/0x540
[  299.108795]  ? zap_class+0x640/0x640
[  299.112510]  ? zap_class+0x640/0x640
[  299.116223]  ? __x64_sys_futex+0x53e/0x6a0
[  299.120490]  ? find_held_lock+0x36/0x1c0
[  299.124577]  ? handle_mm_fault+0x42a/0xc70
[  299.128876]  ? lock_downgrade+0x900/0x900
[  299.133041]  ? check_preemption_disabled+0x48/0x280
[  299.138092]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.143064]  ? kasan_check_read+0x11/0x20
[  299.147246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.152534]  ? rcu_softirq_qs+0x20/0x20
[  299.156518]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.161636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.167182]  ? check_preemption_disabled+0x48/0x280
[  299.172211]  handle_mm_fault+0x54f/0xc70
[  299.176316]  ? __handle_mm_fault+0x5be0/0x5be0
[  299.180911]  ? find_vma+0x34/0x190
[  299.184467]  __do_page_fault+0x5e8/0xe60
[  299.188535]  ? trace_hardirqs_off+0xb8/0x310
[  299.192960]  do_page_fault+0xf2/0x7e0
[  299.196761]  ? vmalloc_sync_all+0x30/0x30
[  299.200908]  ? error_entry+0x70/0xd0
[  299.204638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.209660]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.214594]  ? syscall_return_slowpath+0x5e0/0x5e0
[  299.219537]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.224411]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.229427]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.234910]  ? prepare_exit_to_usermode+0x291/0x3b0
[  299.239942]  ? page_fault+0x8/0x30
[  299.243489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.248333]  ? page_fault+0x8/0x30
[  299.251877]  page_fault+0x1e/0x30
[  299.255337] RIP: 0033:0x40f9c0
[  299.258554] Code: Bad RIP value.
[  299.261919] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  299.267300] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  299.274581] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  299.281850] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  299.289121] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  299.296399] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  299.303695] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  299.303701] warn_alloc_show_mem: 1 callbacks suppressed
[  299.303708] Mem-Info:
[  299.310908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.316293] active_anon:50082 inactive_anon:201 isolated_anon:0
[  299.316293]  active_file:11 inactive_file:13 isolated_file:0
[  299.316293]  unevictable:0 dirty:0 writeback:0 unstable:0
[  299.316293]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  299.316293]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  299.316293]  free:13738 free_pcp:300 free_cma:0
[  299.318662] Call Trace:
[  299.328067] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  299.360930]  <IRQ>
[  299.363539] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  299.391055]  dump_stack+0x244/0x39d
[  299.393175] lowmem_reserve[]: 0 2818 6321 6321
[  299.419316]  ? dump_stack_print_info.cold.1+0x20/0x20
[  299.422907] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  299.427491]  warn_alloc.cold.116+0xb7/0x1bd
[  299.432637] lowmem_reserve[]: 0 0 3503 3503
[  299.460240]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.464543] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  299.468866]  ? lock_downgrade+0x900/0x900
[  299.473676] lowmem_reserve[]: 0 0 0 0
[  299.502562]  ? trace_hardirqs_off+0xb8/0x310
[  299.506681] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  299.510474]  ? trace_hardirqs_off+0xb8/0x310
[  299.514867] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  299.528401]  __alloc_pages_slowpath+0x26e8/0x2e10
[  299.532778] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  299.547879]  ? warn_alloc+0x120/0x120
[  299.552679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  299.567230]  ? print_usage_bug+0xc0/0xc0
[  299.571008] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  299.579830]  ? warn_alloc+0x120/0x120
[  299.583864] 268 total pagecache pages
[  299.592441]  ? warn_alloc+0x120/0x120
[  299.596221] 0 pages in swap cache
[  299.600004]  ? print_usage_bug+0xc0/0xc0
[  299.603792] Swap cache stats: add 0, delete 0, find 0/0
[  299.607237]  ? kvm_clock_read+0x18/0x30
[  299.611265] Free swap  = 0kB
[  299.616635]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  299.620582] Total swap = 0kB
[  299.623604]  ? print_usage_bug+0xc0/0xc0
[  299.628588] 1965979 pages RAM
[  299.631621]  ? __lock_acquire+0x62f/0x4c20
[  299.635657] 0 pages HighMem/MovableOnly
[  299.638750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.642966] 342853 pages reserved
[  299.646942]  ? should_fail+0x22d/0xd01
[  299.652449] 0 pages cma reserved
[  299.655893]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.659821] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  299.663111]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.663126]  ? __lock_acquire+0x62f/0x4c20
[  299.668504] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  299.674881]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.679956] syz-fuzzer cpuset=/ mems_allowed=0
[  299.684199]  ? __lock_acquire+0x62f/0x4c20
[  299.708303]  ? should_fail+0x22d/0xd01
[  299.712188]  ? rcu_irq_exit+0x1a2/0x390
[  299.716170]  ? mark_held_locks+0x130/0x130
[  299.720425]  ? mark_held_locks+0x130/0x130
[  299.724670]  ? mark_held_locks+0xc7/0x130
[  299.728812]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  299.733826]  ? zap_class+0x640/0x640
[  299.737537]  ? print_usage_bug+0xc0/0xc0
[  299.741637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.747187]  ? check_preemption_disabled+0x48/0x280
[  299.752213]  ? __lock_is_held+0xb5/0x140
[  299.756312]  __alloc_pages_nodemask+0xa80/0xde0
[  299.760985]  ? zap_class+0x640/0x640
[  299.764703]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  299.769759]  ? find_held_lock+0x36/0x1c0
[  299.773858]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.778526]  ? lock_downgrade+0x900/0x900
[  299.782678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.788222]  cache_grow_begin+0xa5/0x8c0
[  299.792286]  ? do_raw_spin_unlock+0xa7/0x330
[  299.796701]  fallback_alloc+0x204/0x2e0
[  299.800678]  ____cache_alloc_node+0x1c7/0x1e0
[  299.805179]  kmem_cache_alloc_node+0xe3/0x730
[  299.809685]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.813940]  __alloc_skb+0x119/0x770
[  299.817655]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.822937]  ? netdev_alloc_frag+0x1f0/0x1f0
[  299.827344]  ? lock_downgrade+0x900/0x900
[  299.831499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.837035]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.842496]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.847949]  ? addrconf_rs_timer+0x690/0x690
[  299.852371]  ndisc_alloc_skb+0x144/0x340
[  299.856449]  ndisc_send_rs+0x331/0x6e0
[  299.860345]  addrconf_rs_timer+0x314/0x690
[  299.864587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.868834]  call_timer_fn+0x272/0x920
[  299.872718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.876952]  ? process_timeout+0x40/0x40
[  299.881034]  ? __run_timers+0x7da/0xc70
[  299.885027]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.889517]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.894011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.898249]  ? lockdep_hardirqs_on+0x296/0x5b0
[  299.902831]  ? trace_hardirqs_on+0xbd/0x310
[  299.907148]  ? kasan_check_read+0x11/0x20
[  299.911306]  ? __run_timers+0x7da/0xc70
[  299.915281]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.920399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.924636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.928866]  __run_timers+0x7e5/0xc70
[  299.932729]  ? timer_fixup_init+0x70/0x70
[  299.936872]  ? kasan_check_read+0x11/0x20
[  299.941015]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.946288]  ? rcu_softirq_qs+0x20/0x20
[  299.950277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.955829]  ? check_preemption_disabled+0x48/0x280
[  299.960852]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.965638]  ? retint_kernel+0x2d/0x2d
[  299.969554]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.974507]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.979265]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.984716]  ? zap_class+0x640/0x640
[  299.988459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.994033]  ? check_preemption_disabled+0x48/0x280
[  299.999081]  ? __lock_is_held+0xb5/0x140
[  300.003152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.008688]  ? check_preemption_disabled+0x48/0x280
[  300.013708]  run_timer_softirq+0x52/0xb0
[  300.017769]  ? rcu_read_lock_sched_held+0x14f/0x180
[  300.022785]  __do_softirq+0x308/0xb7e
[  300.026587]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  300.031094]  ? lock_downgrade+0x900/0x900
[  300.035261]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  300.040384]  ? pvclock_read_flags+0x160/0x160
[  300.044893]  ? lapic_next_event+0x5a/0x90
[  300.049055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.054631]  ? kvm_clock_read+0x18/0x30
[  300.058629]  ? kvm_sched_clock_read+0x9/0x20
[  300.063152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.068683]  ? check_preemption_disabled+0x48/0x280
[  300.073700]  irq_exit+0x17f/0x1c0
[  300.077154]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.081993]  ? smp_reschedule_interrupt+0x109/0x650
[  300.087011]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.092909]  ? interrupt_entry+0xb5/0xc0
[  300.096984]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.102011]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.107028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.111877]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.116887]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.121910]  ? task_prio+0x50/0x50
[  300.125482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.131017]  ? check_preemption_disabled+0x48/0x280
[  300.136034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.140878]  apic_timer_interrupt+0xf/0x20
[  300.145137]  </IRQ>
[  300.147385] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  300.152308] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  300.171210] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  300.178910] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  300.186190] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  300.193458] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  300.200736] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  300.208002] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  300.215320]  skb_clone+0x1bb/0x500
[  300.218870]  ? finish_task_switch+0x1b4/0x910
[  300.223381]  ? skb_split+0x11e0/0x11e0
[  300.227300]  ? preempt_notifier_register+0x200/0x200
[  300.232425]  ? __switch_to_asm+0x34/0x70
[  300.236509]  ? __switch_to_asm+0x34/0x70
[  300.240579]  ? __switch_to_asm+0x40/0x70
[  300.244637]  ? __switch_to_asm+0x34/0x70
[  300.248687]  ? __switch_to_asm+0x40/0x70
[  300.252739]  ? __switch_to_asm+0x34/0x70
[  300.256792]  ? __switch_to_asm+0x40/0x70
[  300.260847]  ? __switch_to_asm+0x34/0x70
[  300.264901]  ? __switch_to_asm+0x34/0x70
[  300.268955]  ? __switch_to_asm+0x40/0x70
[  300.273054]  ? __switch_to_asm+0x34/0x70
[  300.277167]  bpf_clone_redirect+0xb9/0x490
[  300.281411]  ? __schedule+0x8d7/0x21d0
[  300.285306]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  300.290328]  ? __sched_text_start+0x8/0x8
[  300.294533]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  300.299118]  ? retint_kernel+0x2d/0x2d
[  300.303014]  ? trace_hardirqs_on_caller+0xc0/0x310
[  300.307941]  ? find_held_lock+0x36/0x1c0
[  300.312020]  ? lock_acquire+0x1ed/0x520
[  300.315989]  ? bpf_test_run+0x3cb/0x780
[  300.320075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.325636]  ? check_preemption_disabled+0x48/0x280
[  300.330659]  ? kasan_check_read+0x11/0x20
[  300.334806]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.340079]  ? rcu_softirq_qs+0x20/0x20
[  300.344060]  ? preempt_schedule+0x4d/0x60
[  300.348207]  ? ___preempt_schedule+0x16/0x18
[  300.352632]  ? bpf_test_run+0x25d/0x780
[  300.356629]  ? netlink_diag_dump+0x2a0/0x2a0
[  300.361032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.366564]  ? bpf_test_init.isra.10+0x70/0x100
[  300.371237]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  300.376003]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  300.380855]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  300.386403]  ? fput+0x130/0x1a0
[  300.389683]  ? __bpf_prog_get+0x9b/0x290
[  300.393878]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  300.398712]  ? bpf_prog_test_run+0x130/0x1a0
[  300.403140]  ? __x64_sys_bpf+0x3d8/0x520
[  300.407197]  ? bpf_prog_get+0x20/0x20
[  300.411030]  ? do_syscall_64+0x1b9/0x820
[  300.415142]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  300.420504]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.425457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.430300]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.435338]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  300.440368]  ? prepare_exit_to_usermode+0x291/0x3b0
[  300.445450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.450783]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  300.456169] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  300.456281] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.463132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.463140] Call Trace:
[  300.469720] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.478973]  <IRQ>
[  300.481538] syz-executor3 cpuset=syz3 mems_allowed=0
[  300.492012]  dump_stack+0x244/0x39d
[  300.502870]  ? dump_stack_print_info.cold.1+0x20/0x20
[  300.508066]  warn_alloc.cold.116+0xb7/0x1bd
[  300.512457]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.517301]  ? lock_downgrade+0x900/0x900
[  300.521467]  ? trace_hardirqs_off+0xb8/0x310
[  300.525894]  ? trace_hardirqs_off+0xb8/0x310
[  300.530306]  __alloc_pages_slowpath+0x26e8/0x2e10
[  300.535182]  ? warn_alloc+0x120/0x120
[  300.538977]  ? print_usage_bug+0xc0/0xc0
[  300.543038]  ? warn_alloc+0x120/0x120
[  300.546839]  ? warn_alloc+0x120/0x120
[  300.550662]  ? print_usage_bug+0xc0/0xc0
[  300.554714]  ? kvm_clock_read+0x18/0x30
[  300.558682]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  300.563691]  ? print_usage_bug+0xc0/0xc0
[  300.567754]  ? __lock_acquire+0x62f/0x4c20
[  300.571988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.577527]  ? should_fail+0x22d/0xd01
[  300.581424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.586709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.591804]  ? __lock_acquire+0x62f/0x4c20
[  300.596036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.601152]  ? __lock_acquire+0x62f/0x4c20
[  300.605382]  ? should_fail+0x22d/0xd01
[  300.609277]  ? rcu_irq_exit+0x1a2/0x390
[  300.613252]  ? mark_held_locks+0x130/0x130
[  300.617483]  ? mark_held_locks+0x130/0x130
[  300.621715]  ? mark_held_locks+0xc7/0x130
[  300.625856]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  300.630917]  ? zap_class+0x640/0x640
[  300.634627]  ? print_usage_bug+0xc0/0xc0
[  300.638724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.644259]  ? check_preemption_disabled+0x48/0x280
[  300.649279]  ? __lock_is_held+0xb5/0x140
[  300.653342]  __alloc_pages_nodemask+0xa80/0xde0
[  300.658003]  ? zap_class+0x640/0x640
[  300.661715]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  300.666740]  ? find_held_lock+0x36/0x1c0
[  300.670806]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.675487]  ? lock_downgrade+0x900/0x900
[  300.679667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.685217]  cache_grow_begin+0xa5/0x8c0
[  300.689290]  ? do_raw_spin_unlock+0xa7/0x330
[  300.693707]  fallback_alloc+0x204/0x2e0
[  300.697690]  ____cache_alloc_node+0x1c7/0x1e0
[  300.702191]  kmem_cache_alloc_node+0xe3/0x730
[  300.706682]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.710921]  __alloc_skb+0x119/0x770
[  300.714643]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.719925]  ? netdev_alloc_frag+0x1f0/0x1f0
[  300.724330]  ? lock_downgrade+0x900/0x900
[  300.728480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.734017]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.739480]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.744931]  ? addrconf_rs_timer+0x690/0x690
[  300.749359]  ndisc_alloc_skb+0x144/0x340
[  300.753426]  ndisc_send_rs+0x331/0x6e0
[  300.757318]  addrconf_rs_timer+0x314/0x690
[  300.761556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.765806]  call_timer_fn+0x272/0x920
[  300.769694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.773930]  ? process_timeout+0x40/0x40
[  300.778004]  ? mark_held_locks+0xc7/0x130
[  300.782156]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.786648]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.791148]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.795384]  ? lockdep_hardirqs_on+0x296/0x5b0
[  300.799970]  ? trace_hardirqs_on+0xbd/0x310
[  300.804293]  ? kasan_check_read+0x11/0x20
[  300.808455]  ? __run_timers+0x7da/0xc70
[  300.812447]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.817583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.821819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.826050]  __run_timers+0x7e5/0xc70
[  300.829855]  ? timer_fixup_init+0x70/0x70
[  300.834004]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  300.839016]  ? zap_class+0x640/0x640
[  300.842733]  ? print_usage_bug+0xc0/0xc0
[  300.846792]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  300.852003]  ? find_held_lock+0x36/0x1c0
[  300.856069]  ? zap_class+0x640/0x640
[  300.859800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.865336]  ? check_preemption_disabled+0x48/0x280
[  300.870394]  ? __lock_is_held+0xb5/0x140
[  300.874457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.879991]  ? check_preemption_disabled+0x48/0x280
[  300.885025]  run_timer_softirq+0x52/0xb0
[  300.889108]  ? rcu_read_lock_sched_held+0x14f/0x180
[  300.894129]  __do_softirq+0x308/0xb7e
[  300.897939]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  300.902431]  ? lock_downgrade+0x900/0x900
[  300.906580]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  300.911689]  ? pvclock_read_flags+0x160/0x160
[  300.916185]  ? lapic_next_event+0x5a/0x90
[  300.920336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.925885]  ? kvm_clock_read+0x18/0x30
[  300.929896]  ? kvm_sched_clock_read+0x9/0x20
[  300.934326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.939869]  ? check_preemption_disabled+0x48/0x280
[  300.944917]  irq_exit+0x17f/0x1c0
[  300.948424]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.953261]  ? smp_reschedule_interrupt+0x109/0x650
[  300.958272]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.964194]  ? interrupt_entry+0xb5/0xc0
[  300.968268]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.973295]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.978310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.983149]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.988167]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.993181]  ? task_prio+0x50/0x50
[  300.996723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.002260]  ? check_preemption_disabled+0x48/0x280
[  301.007275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.012150]  apic_timer_interrupt+0xf/0x20
[  301.016395]  </IRQ>
[  301.018633] RIP: 0010:dump_stack+0x358/0x39d
[  301.023042] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  301.041943] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  301.049646] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  301.056957] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  301.064254] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  301.071523] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  301.078835] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  301.086253]  ? dump_stack+0x34f/0x39d
[  301.090099]  ? dump_stack_print_info.cold.1+0x20/0x20
[  301.095294]  ? mark_held_locks+0x130/0x130
[  301.099522]  ? mark_held_locks+0x130/0x130
[  301.103757]  dump_header+0x27b/0xf72
[  301.107477]  ? pagefault_out_of_memory+0x197/0x197
[  301.112427]  ? __lock_acquire+0x62f/0x4c20
[  301.116693]  ? percpu_ref_get_many+0x240/0x240
[  301.121292]  ? print_usage_bug+0xc0/0xc0
[  301.125372]  ? zap_class+0x640/0x640
[  301.129102]  ? print_usage_bug+0xc0/0xc0
[  301.133162]  ? print_usage_bug+0xc0/0xc0
[  301.137240]  ? zap_class+0x640/0x640
[  301.140954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.146520]  ? find_held_lock+0x36/0x1c0
[  301.150586]  ? mark_held_locks+0xc7/0x130
[  301.154733]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.159829]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.164928]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.169513]  ? trace_hardirqs_on+0xbd/0x310
[  301.173838]  ? kasan_check_read+0x11/0x20
[  301.177984]  ? ___ratelimit+0x3b4/0x672
[  301.181957]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.187064]  ? trace_hardirqs_on+0x310/0x310
[  301.191497]  ? lock_downgrade+0x900/0x900
[  301.195676]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.200802]  ? ___ratelimit+0x3b9/0x672
[  301.204785]  ? idr_get_free+0xf70/0xf70
[  301.208764]  ? find_held_lock+0x36/0x1c0
[  301.212838]  oom_kill_process.cold.27+0x10/0x903
[  301.217622]  ? zap_class+0x640/0x640
[  301.221365]  ? check_preemption_disabled+0x48/0x280
[  301.226385]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.231326]  ? kasan_check_read+0x11/0x20
[  301.235486]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.240776]  ? oom_evaluate_task+0x540/0x540
[  301.245185]  ? find_held_lock+0x36/0x1c0
[  301.249251]  ? out_of_memory+0x974/0x1430
[  301.253407]  ? lock_downgrade+0x900/0x900
[  301.257550]  ? check_preemption_disabled+0x48/0x280
[  301.262578]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.267503]  ? kasan_check_read+0x11/0x20
[  301.271661]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.276931]  ? rcu_softirq_qs+0x20/0x20
[  301.280909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.286470]  ? oom_evaluate_task+0x302/0x540
[  301.290886]  out_of_memory+0xa84/0x1430
[  301.294863]  ? oom_killer_disable+0x3a0/0x3a0
[  301.299400]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  301.304333]  ? __ww_mutex_check_waiters+0x160/0x160
[  301.309359]  __alloc_pages_slowpath+0x2354/0x2e10
[  301.314229]  ? warn_alloc+0x120/0x120
[  301.318029]  ? mark_held_locks+0x130/0x130
[  301.322284]  ? find_get_entry+0xaae/0x1120
[  301.326545]  ? filemap_map_pages+0x1a20/0x1a20
[  301.331149]  ? zap_class+0x640/0x640
[  301.334869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.340422]  ? check_preemption_disabled+0x48/0x280
[  301.345436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.350970]  ? should_fail+0x22d/0xd01
[  301.354886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.359989]  ? zap_class+0x640/0x640
[  301.363724]  ? __lock_is_held+0xb5/0x140
[  301.367807]  ? mark_held_locks+0x130/0x130
[  301.372042]  ? lock_release+0xa00/0xa00
[  301.376016]  ? perf_trace_sched_process_exec+0x860/0x860
[  301.381477]  ? xa_load+0x2ba/0x460
[  301.385020]  ? lock_downgrade+0x900/0x900
[  301.389202]  ? __might_sleep+0x95/0x190
[  301.393199]  __alloc_pages_nodemask+0xa80/0xde0
[  301.397874]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  301.402890]  ? __page_cache_alloc+0x191/0x5c0
[  301.407400]  ? xa_load+0x2e1/0x460
[  301.410941]  ? xa_clear_mark+0x40/0x40
[  301.414828]  ? zap_class+0x640/0x640
[  301.418548]  ? zap_class+0x640/0x640
[  301.422271]  ? zap_class+0x640/0x640
[  301.425985]  ? __do_page_cache_readahead+0x663/0x810
[  301.431115]  ? find_held_lock+0x36/0x1c0
[  301.435200]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  301.440759]  alloc_pages_current+0x173/0x350
[  301.445171]  __page_cache_alloc+0x38c/0x5c0
[  301.449491]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.454415]  ? kasan_check_read+0x11/0x20
[  301.458558]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.463835]  ? generic_perform_write+0x6a0/0x6a0
[  301.468592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.474135]  ? check_preemption_disabled+0x48/0x280
[  301.479162]  filemap_fault+0x1595/0x25f0
[  301.483238]  ? __lock_page_or_retry+0xa00/0xa00
[  301.487921]  ? mark_held_locks+0x130/0x130
[  301.492169]  ? filemap_map_pages+0xd6b/0x1a20
[  301.496664]  ? lock_downgrade+0x900/0x900
[  301.500807]  ? check_preemption_disabled+0x48/0x280
[  301.505834]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.510786]  ? kasan_check_read+0x11/0x20
[  301.514932]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.520211]  ? rcu_softirq_qs+0x20/0x20
[  301.524197]  ? filemap_map_pages+0xd92/0x1a20
[  301.528703]  ? find_get_entries_tag+0x1400/0x1400
[  301.533545]  ? debug_object_destroy+0x2b0/0x2b0
[  301.538240]  ? lock_pi_update_atomic+0x150/0x150
[  301.543019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.548580]  ? lock_acquire+0x1ed/0x520
[  301.552555]  ? ext4_filemap_fault+0x7a/0xad
[  301.556908]  ? lock_release+0xa00/0xa00
[  301.560880]  ? perf_trace_sched_process_exec+0x860/0x860
[  301.566364]  ? print_usage_bug+0xc0/0xc0
[  301.570447]  ? print_usage_bug+0xc0/0xc0
[  301.574524]  ? down_read+0x8d/0x120
[  301.578177]  ? ext4_filemap_fault+0x7a/0xad
[  301.582502]  ? __down_interruptible+0x700/0x700
[  301.587179]  ext4_filemap_fault+0x82/0xad
[  301.591337]  __do_fault+0x100/0x6b0
[  301.594967]  ? pmd_devmap_trans_unstable+0x220/0x220
[  301.600077]  ? mark_held_locks+0x130/0x130
[  301.604346]  ? mark_held_locks+0x130/0x130
[  301.608587]  ? debug_smp_processor_id+0x1c/0x20
[  301.613259]  ? perf_trace_lock+0x14d/0x7a0
[  301.617507]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  301.623153]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.628699]  __handle_mm_fault+0x3ea0/0x5be0
[  301.633128]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  301.637973]  ? lock_is_held_type+0x210/0x210
[  301.642387]  ? file_remove_privs+0x540/0x540
[  301.646812]  ? zap_class+0x640/0x640
[  301.650523]  ? zap_class+0x640/0x640
[  301.654242]  ? __x64_sys_futex+0x53e/0x6a0
[  301.658505]  ? find_held_lock+0x36/0x1c0
[  301.662597]  ? handle_mm_fault+0x42a/0xc70
[  301.666846]  ? lock_downgrade+0x900/0x900
[  301.670994]  ? check_preemption_disabled+0x48/0x280
[  301.676011]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.680938]  ? kasan_check_read+0x11/0x20
[  301.685119]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.690411]  ? rcu_softirq_qs+0x20/0x20
[  301.694385]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.699505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.705041]  ? check_preemption_disabled+0x48/0x280
[  301.710063]  handle_mm_fault+0x54f/0xc70
[  301.714135]  ? __handle_mm_fault+0x5be0/0x5be0
[  301.718723]  ? find_vma+0x34/0x190
[  301.722266]  __do_page_fault+0x5e8/0xe60
[  301.726329]  ? trace_hardirqs_off+0xb8/0x310
[  301.730745]  do_page_fault+0xf2/0x7e0
[  301.734553]  ? vmalloc_sync_all+0x30/0x30
[  301.738718]  ? error_entry+0x70/0xd0
[  301.742435]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.747453]  ? trace_hardirqs_on_caller+0xc0/0x310
[  301.752387]  ? syscall_return_slowpath+0x5e0/0x5e0
[  301.757313]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.762173]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.767234]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.772693]  ? prepare_exit_to_usermode+0x291/0x3b0
[  301.777706]  ? page_fault+0x8/0x30
[  301.781260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.786155]  ? page_fault+0x8/0x30
[  301.789697]  page_fault+0x1e/0x30
[  301.793152] RIP: 0033:0x40f9c0
[  301.796373] Code: Bad RIP value.
[  301.799751] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  301.805115] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  301.812418] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  301.819716] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  301.826985] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  301.834277] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  301.841573] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  301.841578] warn_alloc_show_mem: 1 callbacks suppressed
[  301.841585] Mem-Info:
[  301.848776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.854162] active_anon:50082 inactive_anon:201 isolated_anon:0
[  301.854162]  active_file:11 inactive_file:13 isolated_file:0
[  301.854162]  unevictable:0 dirty:0 writeback:0 unstable:0
[  301.854162]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  301.854162]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  301.854162]  free:13738 free_pcp:300 free_cma:0
[  301.856533] Call Trace:
[  301.865918] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  301.898764]  <IRQ>
[  301.901334] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  301.928833]  dump_stack+0x244/0x39d
[  301.930949] lowmem_reserve[]: 0 2818 6321 6321
[  301.957076]  ? dump_stack_print_info.cold.1+0x20/0x20
[  301.960687] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  301.965283]  warn_alloc.cold.116+0xb7/0x1bd
[  301.970438] lowmem_reserve[]: 0 0 3503 3503
[  301.998022]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.002321] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  302.006638]  ? lock_downgrade+0x900/0x900
[  302.011450] lowmem_reserve[]: 0 0 0 0
[  302.040367]  ? trace_hardirqs_off+0xb8/0x310
[  302.044485] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  302.048294]  ? trace_hardirqs_off+0xb8/0x310
[  302.052677] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  302.066218]  __alloc_pages_slowpath+0x26e8/0x2e10
[  302.070602] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  302.085700]  ? warn_alloc+0x120/0x120
[  302.090501] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  302.105058]  ? print_usage_bug+0xc0/0xc0
[  302.108835] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  302.117656]  ? warn_alloc+0x120/0x120
[  302.121694] 268 total pagecache pages
[  302.130259]  ? warn_alloc+0x120/0x120
[  302.134047] 0 pages in swap cache
[  302.137835]  ? print_usage_bug+0xc0/0xc0
[  302.141626] Swap cache stats: add 0, delete 0, find 0/0
[  302.145068]  ? kvm_clock_read+0x18/0x30
[  302.149116] Free swap  = 0kB
[  302.154476]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  302.158444] Total swap = 0kB
[  302.161456]  ? print_usage_bug+0xc0/0xc0
[  302.166461] 1965979 pages RAM
[  302.169497]  ? __lock_acquire+0x62f/0x4c20
[  302.173534] 0 pages HighMem/MovableOnly
[  302.176632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.180840] 342853 pages reserved
[  302.184852]  ? should_fail+0x22d/0xd01
[  302.190377] 0 pages cma reserved
[  302.193822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.197771] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.201063]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.206405] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.212823]  ? __lock_acquire+0x62f/0x4c20
[  302.217931] syz-fuzzer cpuset=/ mems_allowed=0
[  302.228151]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.242039]  ? __lock_acquire+0x62f/0x4c20
[  302.246274]  ? should_fail+0x22d/0xd01
[  302.250185]  ? rcu_irq_exit+0x1a2/0x390
[  302.254166]  ? mark_held_locks+0x130/0x130
[  302.258405]  ? mark_held_locks+0x130/0x130
[  302.262644]  ? mark_held_locks+0xc7/0x130
[  302.266791]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  302.271810]  ? zap_class+0x640/0x640
[  302.275524]  ? print_usage_bug+0xc0/0xc0
[  302.279591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.285137]  ? check_preemption_disabled+0x48/0x280
[  302.290165]  ? __lock_is_held+0xb5/0x140
[  302.294252]  __alloc_pages_nodemask+0xa80/0xde0
[  302.298925]  ? zap_class+0x640/0x640
[  302.302642]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  302.307699]  ? find_held_lock+0x36/0x1c0
[  302.311772]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.316470]  ? lock_downgrade+0x900/0x900
[  302.320825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.326375]  cache_grow_begin+0xa5/0x8c0
[  302.330452]  ? do_raw_spin_unlock+0xa7/0x330
[  302.334910]  fallback_alloc+0x204/0x2e0
[  302.338903]  ____cache_alloc_node+0x1c7/0x1e0
[  302.343404]  kmem_cache_alloc_node+0xe3/0x730
[  302.347903]  ? ipv6_get_ifaddr+0x42e/0x620
[  302.352182]  __alloc_skb+0x119/0x770
[  302.355895]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.361179]  ? netdev_alloc_frag+0x1f0/0x1f0
[  302.365591]  ? lock_downgrade+0x900/0x900
[  302.369749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.375302]  ? refcount_sub_and_test_checked+0x203/0x310
[  302.380756]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  302.386209]  ? addrconf_rs_timer+0x690/0x690
[  302.390638]  ndisc_alloc_skb+0x144/0x340
[  302.394709]  ndisc_send_rs+0x331/0x6e0
[  302.398607]  addrconf_rs_timer+0x314/0x690
[  302.402846]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.407094]  call_timer_fn+0x272/0x920
[  302.411012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.415248]  ? process_timeout+0x40/0x40
[  302.419348]  ? __run_timers+0x7da/0xc70
[  302.423349]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.427839]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.432332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.436609]  ? lockdep_hardirqs_on+0x296/0x5b0
[  302.441198]  ? trace_hardirqs_on+0xbd/0x310
[  302.445524]  ? kasan_check_read+0x11/0x20
[  302.449799]  ? __run_timers+0x7da/0xc70
[  302.453776]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.458883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.463123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.467376]  __run_timers+0x7e5/0xc70
[  302.471184]  ? timer_fixup_init+0x70/0x70
[  302.475346]  ? kasan_check_read+0x11/0x20
[  302.479496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.484789]  ? rcu_softirq_qs+0x20/0x20
[  302.488766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.494336]  ? check_preemption_disabled+0x48/0x280
[  302.499392]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.504154]  ? retint_kernel+0x2d/0x2d
[  302.508040]  ? trace_hardirqs_on_caller+0xc0/0x310
[  302.512974]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.517729]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.523196]  ? zap_class+0x640/0x640
[  302.526919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.532463]  ? check_preemption_disabled+0x48/0x280
[  302.537487]  ? __lock_is_held+0xb5/0x140
[  302.541560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.547113]  ? check_preemption_disabled+0x48/0x280
[  302.552163]  run_timer_softirq+0x52/0xb0
[  302.556223]  ? rcu_read_lock_sched_held+0x14f/0x180
[  302.561237]  __do_softirq+0x308/0xb7e
[  302.565041]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  302.569539]  ? lock_downgrade+0x900/0x900
[  302.573705]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  302.578833]  ? pvclock_read_flags+0x160/0x160
[  302.583333]  ? lapic_next_event+0x5a/0x90
[  302.587484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.593030]  ? kvm_clock_read+0x18/0x30
[  302.597013]  ? kvm_sched_clock_read+0x9/0x20
[  302.601445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.606982]  ? check_preemption_disabled+0x48/0x280
[  302.612024]  irq_exit+0x17f/0x1c0
[  302.615476]  smp_apic_timer_interrupt+0x1cb/0x760
[  302.620319]  ? smp_reschedule_interrupt+0x109/0x650
[  302.625334]  ? smp_call_function_single_interrupt+0x650/0x650
[  302.631215]  ? interrupt_entry+0xb5/0xc0
[  302.635284]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.640311]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.645325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.650183]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.655200]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.660225]  ? task_prio+0x50/0x50
[  302.663764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.669299]  ? check_preemption_disabled+0x48/0x280
[  302.674348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.679197]  apic_timer_interrupt+0xf/0x20
[  302.683427]  </IRQ>
[  302.685664] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  302.690612] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  302.709508] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  302.717214] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  302.724481] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  302.731746] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  302.739024] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  302.746296] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  302.753628]  skb_clone+0x1bb/0x500
[  302.757173]  ? finish_task_switch+0x1b4/0x910
[  302.761673]  ? skb_split+0x11e0/0x11e0
[  302.765576]  ? preempt_notifier_register+0x200/0x200
[  302.770679]  ? __switch_to_asm+0x34/0x70
[  302.774772]  ? __switch_to_asm+0x34/0x70
[  302.778856]  ? __switch_to_asm+0x40/0x70
[  302.782933]  ? __switch_to_asm+0x34/0x70
[  302.786993]  ? __switch_to_asm+0x40/0x70
[  302.791054]  ? __switch_to_asm+0x34/0x70
[  302.795138]  ? __switch_to_asm+0x40/0x70
[  302.799202]  ? __switch_to_asm+0x34/0x70
[  302.803266]  ? __switch_to_asm+0x34/0x70
[  302.807326]  ? __switch_to_asm+0x40/0x70
[  302.811391]  ? __switch_to_asm+0x34/0x70
[  302.815460]  bpf_clone_redirect+0xb9/0x490
[  302.819700]  ? __schedule+0x8d7/0x21d0
[  302.823602]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  302.828625]  ? __sched_text_start+0x8/0x8
[  302.832778]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  302.837359]  ? retint_kernel+0x2d/0x2d
[  302.841253]  ? trace_hardirqs_on_caller+0xc0/0x310
[  302.846203]  ? find_held_lock+0x36/0x1c0
[  302.850280]  ? lock_acquire+0x1ed/0x520
[  302.854278]  ? bpf_test_run+0x3cb/0x780
[  302.858257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.863798]  ? check_preemption_disabled+0x48/0x280
[  302.868825]  ? kasan_check_read+0x11/0x20
[  302.872978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.878257]  ? rcu_softirq_qs+0x20/0x20
[  302.882238]  ? preempt_schedule+0x4d/0x60
[  302.886392]  ? ___preempt_schedule+0x16/0x18
[  302.890814]  ? bpf_test_run+0x25d/0x780
[  302.894817]  ? netlink_diag_dump+0x2a0/0x2a0
[  302.899248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.904787]  ? bpf_test_init.isra.10+0x70/0x100
[  302.909486]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  302.914281]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  302.919123]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  302.924663]  ? fput+0x130/0x1a0
[  302.927945]  ? __bpf_prog_get+0x9b/0x290
[  302.932010]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  302.936847]  ? bpf_prog_test_run+0x130/0x1a0
[  302.941261]  ? __x64_sys_bpf+0x3d8/0x520
[  302.945340]  ? bpf_prog_get+0x20/0x20
[  302.949166]  ? do_syscall_64+0x1b9/0x820
[  302.953229]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  302.958601]  ? syscall_return_slowpath+0x5e0/0x5e0
[  302.963529]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.968394]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.973436]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  302.978453]  ? prepare_exit_to_usermode+0x291/0x3b0
[  302.983480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.988337]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  302.993752] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  302.993840] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.000686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.000694] Call Trace:
[  303.007270] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.016521]  <IRQ>
[  303.019105] syz-executor3 cpuset=syz3 mems_allowed=0
[  303.029607]  dump_stack+0x244/0x39d
[  303.040479]  ? dump_stack_print_info.cold.1+0x20/0x20
[  303.045702]  warn_alloc.cold.116+0xb7/0x1bd
[  303.050030]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.054879]  ? lock_downgrade+0x900/0x900
[  303.059041]  ? trace_hardirqs_off+0xb8/0x310
[  303.063457]  ? trace_hardirqs_off+0xb8/0x310
[  303.067879]  __alloc_pages_slowpath+0x26e8/0x2e10
[  303.072766]  ? warn_alloc+0x120/0x120
[  303.076572]  ? print_usage_bug+0xc0/0xc0
[  303.080637]  ? warn_alloc+0x120/0x120
[  303.084444]  ? warn_alloc+0x120/0x120
[  303.088248]  ? print_usage_bug+0xc0/0xc0
[  303.092316]  ? kvm_clock_read+0x18/0x30
[  303.096294]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  303.101315]  ? print_usage_bug+0xc0/0xc0
[  303.105383]  ? __lock_acquire+0x62f/0x4c20
[  303.109630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.115210]  ? should_fail+0x22d/0xd01
[  303.119108]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.124401]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.129510]  ? __lock_acquire+0x62f/0x4c20
[  303.133763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.138865]  ? __lock_acquire+0x62f/0x4c20
[  303.143124]  ? should_fail+0x22d/0xd01
[  303.147020]  ? rcu_irq_exit+0x1a2/0x390
[  303.151015]  ? mark_held_locks+0x130/0x130
[  303.155260]  ? mark_held_locks+0x130/0x130
[  303.159504]  ? mark_held_locks+0xc7/0x130
[  303.163669]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  303.168688]  ? zap_class+0x640/0x640
[  303.172403]  ? print_usage_bug+0xc0/0xc0
[  303.176486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.182030]  ? check_preemption_disabled+0x48/0x280
[  303.187058]  ? __lock_is_held+0xb5/0x140
[  303.191157]  __alloc_pages_nodemask+0xa80/0xde0
[  303.195846]  ? zap_class+0x640/0x640
[  303.199569]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  303.204601]  ? find_held_lock+0x36/0x1c0
[  303.208693]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.213370]  ? lock_downgrade+0x900/0x900
[  303.217530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.223119]  cache_grow_begin+0xa5/0x8c0
[  303.227203]  ? do_raw_spin_unlock+0xa7/0x330
[  303.231646]  fallback_alloc+0x204/0x2e0
[  303.235628]  ____cache_alloc_node+0x1c7/0x1e0
[  303.240136]  kmem_cache_alloc_node+0xe3/0x730
[  303.244635]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.248881]  __alloc_skb+0x119/0x770
[  303.252611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.257894]  ? netdev_alloc_frag+0x1f0/0x1f0
[  303.262304]  ? lock_downgrade+0x900/0x900
[  303.266494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.272034]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.277492]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.282966]  ? addrconf_rs_timer+0x690/0x690
[  303.287391]  ndisc_alloc_skb+0x144/0x340
[  303.291461]  ndisc_send_rs+0x331/0x6e0
[  303.295357]  addrconf_rs_timer+0x314/0x690
[  303.299599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.303847]  call_timer_fn+0x272/0x920
[  303.307737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.311986]  ? process_timeout+0x40/0x40
[  303.316062]  ? mark_held_locks+0xc7/0x130
[  303.320225]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.324726]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.329243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.333486]  ? lockdep_hardirqs_on+0x296/0x5b0
[  303.338119]  ? trace_hardirqs_on+0xbd/0x310
[  303.342466]  ? kasan_check_read+0x11/0x20
[  303.346613]  ? __run_timers+0x7da/0xc70
[  303.350604]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.355720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.359965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.364198]  __run_timers+0x7e5/0xc70
[  303.368015]  ? timer_fixup_init+0x70/0x70
[  303.372169]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  303.377196]  ? zap_class+0x640/0x640
[  303.380922]  ? print_usage_bug+0xc0/0xc0
[  303.385007]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  303.390210]  ? find_held_lock+0x36/0x1c0
[  303.394285]  ? zap_class+0x640/0x640
[  303.398011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.403557]  ? check_preemption_disabled+0x48/0x280
[  303.408587]  ? __lock_is_held+0xb5/0x140
[  303.412666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.418205]  ? check_preemption_disabled+0x48/0x280
[  303.423233]  run_timer_softirq+0x52/0xb0
[  303.427301]  ? rcu_read_lock_sched_held+0x14f/0x180
[  303.432321]  __do_softirq+0x308/0xb7e
[  303.436135]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  303.440631]  ? lock_downgrade+0x900/0x900
[  303.444789]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  303.449903]  ? pvclock_read_flags+0x160/0x160
[  303.454399]  ? lapic_next_event+0x5a/0x90
[  303.458554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.464114]  ? kvm_clock_read+0x18/0x30
[  303.468104]  ? kvm_sched_clock_read+0x9/0x20
[  303.472538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.478079]  ? check_preemption_disabled+0x48/0x280
[  303.483156]  irq_exit+0x17f/0x1c0
[  303.486626]  smp_apic_timer_interrupt+0x1cb/0x760
[  303.491496]  ? smp_reschedule_interrupt+0x109/0x650
[  303.496514]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.502401]  ? interrupt_entry+0xb5/0xc0
[  303.506468]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.511487]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.516505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.521352]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.526386]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.531408]  ? task_prio+0x50/0x50
[  303.534955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.540492]  ? check_preemption_disabled+0x48/0x280
[  303.545535]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.550418]  apic_timer_interrupt+0xf/0x20
[  303.554652]  </IRQ>
[  303.556893] RIP: 0010:dump_stack+0x358/0x39d
[  303.561302] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  303.580208] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  303.587918] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  303.595184] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  303.602451] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  303.609721] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  303.616988] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  303.624311]  ? dump_stack+0x34f/0x39d
[  303.628187]  ? dump_stack_print_info.cold.1+0x20/0x20
[  303.633396]  ? mark_held_locks+0x130/0x130
[  303.637632]  ? mark_held_locks+0x130/0x130
[  303.641870]  dump_header+0x27b/0xf72
[  303.645598]  ? pagefault_out_of_memory+0x197/0x197
[  303.650555]  ? __lock_acquire+0x62f/0x4c20
[  303.654805]  ? percpu_ref_get_many+0x240/0x240
[  303.659387]  ? print_usage_bug+0xc0/0xc0
[  303.663453]  ? zap_class+0x640/0x640
[  303.667170]  ? print_usage_bug+0xc0/0xc0
[  303.671238]  ? print_usage_bug+0xc0/0xc0
[  303.675302]  ? zap_class+0x640/0x640
[  303.679037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.684579]  ? find_held_lock+0x36/0x1c0
[  303.688677]  ? mark_held_locks+0xc7/0x130
[  303.692830]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  303.697928]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  303.703029]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  303.707623]  ? trace_hardirqs_on+0xbd/0x310
[  303.711974]  ? kasan_check_read+0x11/0x20
[  303.716152]  ? ___ratelimit+0x3b4/0x672
[  303.720150]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.725256]  ? trace_hardirqs_on+0x310/0x310
[  303.729662]  ? lock_downgrade+0x900/0x900
[  303.733827]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.738928]  ? ___ratelimit+0x3b9/0x672
[  303.742900]  ? idr_get_free+0xf70/0xf70
[  303.746871]  ? find_held_lock+0x36/0x1c0
[  303.750958]  oom_kill_process.cold.27+0x10/0x903
[  303.755725]  ? zap_class+0x640/0x640
[  303.759472]  ? check_preemption_disabled+0x48/0x280
[  303.764489]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  303.769429]  ? kasan_check_read+0x11/0x20
[  303.773588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.778862]  ? oom_evaluate_task+0x540/0x540
[  303.783273]  ? find_held_lock+0x36/0x1c0
[  303.787381]  ? out_of_memory+0x974/0x1430
[  303.791562]  ? lock_downgrade+0x900/0x900
[  303.795737]  ? check_preemption_disabled+0x48/0x280
[  303.800752]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  303.805679]  ? kasan_check_read+0x11/0x20
[  303.809856]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.815139]  ? rcu_softirq_qs+0x20/0x20
[  303.819124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.824701]  ? oom_evaluate_task+0x302/0x540
[  303.829126]  out_of_memory+0xa84/0x1430
[  303.833137]  ? oom_killer_disable+0x3a0/0x3a0
[  303.837630]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  303.842601]  ? __ww_mutex_check_waiters+0x160/0x160
[  303.847624]  __alloc_pages_slowpath+0x2354/0x2e10
[  303.852490]  ? warn_alloc+0x120/0x120
[  303.856281]  ? mark_held_locks+0x130/0x130
[  303.860520]  ? find_get_entry+0xaae/0x1120
[  303.864760]  ? filemap_map_pages+0x1a20/0x1a20
[  303.869346]  ? zap_class+0x640/0x640
[  303.873060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.878599]  ? check_preemption_disabled+0x48/0x280
[  303.883611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.889145]  ? should_fail+0x22d/0xd01
[  303.893031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.898128]  ? zap_class+0x640/0x640
[  303.901883]  ? __lock_is_held+0xb5/0x140
[  303.905942]  ? mark_held_locks+0x130/0x130
[  303.910209]  ? lock_release+0xa00/0xa00
[  303.914208]  ? perf_trace_sched_process_exec+0x860/0x860
[  303.919678]  ? xa_load+0x2ba/0x460
[  303.923233]  ? lock_downgrade+0x900/0x900
[  303.927423]  ? __might_sleep+0x95/0x190
[  303.931398]  __alloc_pages_nodemask+0xa80/0xde0
[  303.936073]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  303.941121]  ? __page_cache_alloc+0x191/0x5c0
[  303.945641]  ? xa_load+0x2e1/0x460
[  303.949182]  ? xa_clear_mark+0x40/0x40
[  303.953070]  ? zap_class+0x640/0x640
[  303.956794]  ? zap_class+0x640/0x640
[  303.960499]  ? zap_class+0x640/0x640
[  303.964212]  ? __do_page_cache_readahead+0x663/0x810
[  303.969314]  ? find_held_lock+0x36/0x1c0
[  303.973405]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  303.978962]  alloc_pages_current+0x173/0x350
[  303.983388]  __page_cache_alloc+0x38c/0x5c0
[  303.987719]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  303.992647]  ? kasan_check_read+0x11/0x20
[  303.996794]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.002069]  ? generic_perform_write+0x6a0/0x6a0
[  304.006838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.012400]  ? check_preemption_disabled+0x48/0x280
[  304.017462]  filemap_fault+0x1595/0x25f0
[  304.021540]  ? __lock_page_or_retry+0xa00/0xa00
[  304.026225]  ? mark_held_locks+0x130/0x130
[  304.030482]  ? filemap_map_pages+0xd6b/0x1a20
[  304.034999]  ? lock_downgrade+0x900/0x900
[  304.039140]  ? check_preemption_disabled+0x48/0x280
[  304.044170]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.049103]  ? kasan_check_read+0x11/0x20
[  304.053282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.058554]  ? rcu_softirq_qs+0x20/0x20
[  304.062537]  ? filemap_map_pages+0xd92/0x1a20
[  304.067045]  ? find_get_entries_tag+0x1400/0x1400
[  304.071936]  ? debug_object_destroy+0x2b0/0x2b0
[  304.076604]  ? lock_pi_update_atomic+0x150/0x150
[  304.081358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.086914]  ? lock_acquire+0x1ed/0x520
[  304.090883]  ? ext4_filemap_fault+0x7a/0xad
[  304.095219]  ? lock_release+0xa00/0xa00
[  304.099215]  ? perf_trace_sched_process_exec+0x860/0x860
[  304.104657]  ? print_usage_bug+0xc0/0xc0
[  304.108711]  ? print_usage_bug+0xc0/0xc0
[  304.112774]  ? down_read+0x8d/0x120
[  304.116392]  ? ext4_filemap_fault+0x7a/0xad
[  304.120726]  ? __down_interruptible+0x700/0x700
[  304.125421]  ext4_filemap_fault+0x82/0xad
[  304.129581]  __do_fault+0x100/0x6b0
[  304.133214]  ? pmd_devmap_trans_unstable+0x220/0x220
[  304.138327]  ? mark_held_locks+0x130/0x130
[  304.142558]  ? mark_held_locks+0x130/0x130
[  304.146789]  ? debug_smp_processor_id+0x1c/0x20
[  304.151465]  ? perf_trace_lock+0x14d/0x7a0
[  304.155729]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  304.161349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.166881]  __handle_mm_fault+0x3ea0/0x5be0
[  304.171302]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  304.176141]  ? lock_is_held_type+0x210/0x210
[  304.180581]  ? file_remove_privs+0x540/0x540
[  304.184996]  ? zap_class+0x640/0x640
[  304.188730]  ? zap_class+0x640/0x640
[  304.192442]  ? __x64_sys_futex+0x53e/0x6a0
[  304.196691]  ? find_held_lock+0x36/0x1c0
[  304.200767]  ? handle_mm_fault+0x42a/0xc70
[  304.204998]  ? lock_downgrade+0x900/0x900
[  304.209166]  ? check_preemption_disabled+0x48/0x280
[  304.214214]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.219138]  ? kasan_check_read+0x11/0x20
[  304.223313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.228616]  ? rcu_softirq_qs+0x20/0x20
[  304.232586]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.237716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.243267]  ? check_preemption_disabled+0x48/0x280
[  304.248283]  handle_mm_fault+0x54f/0xc70
[  304.252372]  ? __handle_mm_fault+0x5be0/0x5be0
[  304.256949]  ? find_vma+0x34/0x190
[  304.260506]  __do_page_fault+0x5e8/0xe60
[  304.264564]  ? trace_hardirqs_off+0xb8/0x310
[  304.268979]  do_page_fault+0xf2/0x7e0
[  304.272791]  ? vmalloc_sync_all+0x30/0x30
[  304.276956]  ? error_entry+0x70/0xd0
[  304.280681]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.285704]  ? trace_hardirqs_on_caller+0xc0/0x310
[  304.290672]  ? syscall_return_slowpath+0x5e0/0x5e0
[  304.295597]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.300466]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.305491]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.310940]  ? prepare_exit_to_usermode+0x291/0x3b0
[  304.315954]  ? page_fault+0x8/0x30
[  304.319937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.324954]  ? page_fault+0x8/0x30
[  304.328494]  page_fault+0x1e/0x30
[  304.331946] RIP: 0033:0x40f9c0
[  304.335150] Code: Bad RIP value.
[  304.338523] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  304.343899] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  304.351179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  304.358448] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  304.365712] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  304.372975] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  304.380279] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  304.380284] warn_alloc_show_mem: 1 callbacks suppressed
[  304.380291] Mem-Info:
[  304.387491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.392855] active_anon:50082 inactive_anon:201 isolated_anon:0
[  304.392855]  active_file:11 inactive_file:13 isolated_file:0
[  304.392855]  unevictable:0 dirty:0 writeback:0 unstable:0
[  304.392855]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  304.392855]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  304.392855]  free:13738 free_pcp:300 free_cma:0
[  304.395223] Call Trace:
[  304.404601] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  304.437467]  <IRQ>
[  304.440029] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  304.468062]  dump_stack+0x244/0x39d
[  304.470188] lowmem_reserve[]: 0 2818 6321 6321
[  304.496293]  ? dump_stack_print_info.cold.1+0x20/0x20
[  304.499892] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  304.504469]  warn_alloc.cold.116+0xb7/0x1bd
[  304.509626] lowmem_reserve[]: 0 0 3503 3503
[  304.537209]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.541502] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  304.545809]  ? lock_downgrade+0x900/0x900
[  304.550645] lowmem_reserve[]: 0 0 0 0
[  304.579538]  ? trace_hardirqs_off+0xb8/0x310
[  304.583674] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  304.587479]  ? trace_hardirqs_off+0xb8/0x310
[  304.591859] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  304.605401]  __alloc_pages_slowpath+0x26e8/0x2e10
[  304.609795] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  304.624882]  ? warn_alloc+0x120/0x120
[  304.629697] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  304.644245]  ? print_usage_bug+0xc0/0xc0
[  304.648034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  304.656855]  ? warn_alloc+0x120/0x120
[  304.660898] 268 total pagecache pages
[  304.669461]  ? warn_alloc+0x120/0x120
[  304.673272] 0 pages in swap cache
[  304.677121]  ? print_usage_bug+0xc0/0xc0
[  304.680913] Swap cache stats: add 0, delete 0, find 0/0
[  304.684404]  ? kvm_clock_read+0x18/0x30
[  304.688451] Free swap  = 0kB
[  304.693844]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  304.697789] Total swap = 0kB
[  304.700796]  ? print_usage_bug+0xc0/0xc0
[  304.705783] 1965979 pages RAM
[  304.708809]  ? __lock_acquire+0x62f/0x4c20
[  304.712860] 0 pages HighMem/MovableOnly
[  304.715967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.720177] 342853 pages reserved
[  304.724169]  ? should_fail+0x22d/0xd01
[  304.729697] 0 pages cma reserved
[  304.733155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.737093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  304.740371]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.745710] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  304.752126]  ? __lock_acquire+0x62f/0x4c20
[  304.752159]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.757238] syz-fuzzer cpuset=/ mems_allowed=0
[  304.767452]  ? __lock_acquire+0x62f/0x4c20
[  304.785560]  ? should_fail+0x22d/0xd01
[  304.789441]  ? rcu_irq_exit+0x1a2/0x390
[  304.793431]  ? mark_held_locks+0x130/0x130
[  304.797690]  ? mark_held_locks+0x130/0x130
[  304.801925]  ? mark_held_locks+0xc7/0x130
[  304.806065]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  304.811082]  ? zap_class+0x640/0x640
[  304.814803]  ? print_usage_bug+0xc0/0xc0
[  304.818866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.824403]  ? check_preemption_disabled+0x48/0x280
[  304.829422]  ? __lock_is_held+0xb5/0x140
[  304.833487]  __alloc_pages_nodemask+0xa80/0xde0
[  304.838151]  ? zap_class+0x640/0x640
[  304.841867]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  304.846890]  ? find_held_lock+0x36/0x1c0
[  304.850959]  ? ____cache_alloc_node+0x1c7/0x1e0
[  304.855673]  ? lock_downgrade+0x900/0x900
[  304.859840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.865383]  cache_grow_begin+0xa5/0x8c0
[  304.869441]  ? do_raw_spin_unlock+0xa7/0x330
[  304.873860]  fallback_alloc+0x204/0x2e0
[  304.877844]  ____cache_alloc_node+0x1c7/0x1e0
[  304.882343]  kmem_cache_alloc_node+0xe3/0x730
[  304.886841]  ? ipv6_get_ifaddr+0x42e/0x620
[  304.891107]  __alloc_skb+0x119/0x770
[  304.894823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.900107]  ? netdev_alloc_frag+0x1f0/0x1f0
[  304.904542]  ? lock_downgrade+0x900/0x900
[  304.908693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.914227]  ? refcount_sub_and_test_checked+0x203/0x310
[  304.919709]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  304.925169]  ? addrconf_rs_timer+0x690/0x690
[  304.929587]  ndisc_alloc_skb+0x144/0x340
[  304.933655]  ndisc_send_rs+0x331/0x6e0
[  304.937650]  addrconf_rs_timer+0x314/0x690
[  304.941888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.946235]  call_timer_fn+0x272/0x920
[  304.950126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.954359]  ? process_timeout+0x40/0x40
[  304.958436]  ? __run_timers+0x7da/0xc70
[  304.962422]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.966910]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.971424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.975654]  ? lockdep_hardirqs_on+0x296/0x5b0
[  304.980236]  ? trace_hardirqs_on+0xbd/0x310
[  304.984575]  ? kasan_check_read+0x11/0x20
[  304.988754]  ? __run_timers+0x7da/0xc70
[  304.992743]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.997852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.002111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.006357]  __run_timers+0x7e5/0xc70
[  305.010162]  ? timer_fixup_init+0x70/0x70
[  305.014307]  ? kasan_check_read+0x11/0x20
[  305.018448]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.023760]  ? rcu_softirq_qs+0x20/0x20
[  305.027732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.033265]  ? check_preemption_disabled+0x48/0x280
[  305.038284]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.043033]  ? retint_kernel+0x2d/0x2d
[  305.046917]  ? trace_hardirqs_on_caller+0xc0/0x310
[  305.051842]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.056592]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.062041]  ? zap_class+0x640/0x640
[  305.065753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.071286]  ? check_preemption_disabled+0x48/0x280
[  305.076303]  ? __lock_is_held+0xb5/0x140
[  305.080362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.085938]  ? check_preemption_disabled+0x48/0x280
[  305.090952]  run_timer_softirq+0x52/0xb0
[  305.095007]  ? rcu_read_lock_sched_held+0x14f/0x180
[  305.100027]  __do_softirq+0x308/0xb7e
[  305.103824]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  305.108336]  ? lock_downgrade+0x900/0x900
[  305.112528]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  305.117634]  ? pvclock_read_flags+0x160/0x160
[  305.122132]  ? lapic_next_event+0x5a/0x90
[  305.126281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.131816]  ? kvm_clock_read+0x18/0x30
[  305.135783]  ? kvm_sched_clock_read+0x9/0x20
[  305.140206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.145743]  ? check_preemption_disabled+0x48/0x280
[  305.150761]  irq_exit+0x17f/0x1c0
[  305.154207]  smp_apic_timer_interrupt+0x1cb/0x760
[  305.159105]  ? smp_reschedule_interrupt+0x109/0x650
[  305.164136]  ? smp_call_function_single_interrupt+0x650/0x650
[  305.170014]  ? interrupt_entry+0xb5/0xc0
[  305.174091]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.179120]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.184154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.189035]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.194047]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.199062]  ? task_prio+0x50/0x50
[  305.202609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.208143]  ? check_preemption_disabled+0x48/0x280
[  305.213156]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.217999]  apic_timer_interrupt+0xf/0x20
[  305.222218]  </IRQ>
[  305.224453] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  305.229426] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  305.248318] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  305.256017] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  305.263281] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  305.270548] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  305.277810] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  305.285074] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  305.292441]  skb_clone+0x1bb/0x500
[  305.295996]  ? finish_task_switch+0x1b4/0x910
[  305.300522]  ? skb_split+0x11e0/0x11e0
[  305.304416]  ? preempt_notifier_register+0x200/0x200
[  305.309533]  ? __switch_to_asm+0x34/0x70
[  305.313591]  ? __switch_to_asm+0x34/0x70
[  305.317655]  ? __switch_to_asm+0x40/0x70
[  305.321713]  ? __switch_to_asm+0x34/0x70
[  305.325770]  ? __switch_to_asm+0x40/0x70
[  305.329825]  ? __switch_to_asm+0x34/0x70
[  305.333884]  ? __switch_to_asm+0x40/0x70
[  305.337940]  ? __switch_to_asm+0x34/0x70
[  305.342042]  ? __switch_to_asm+0x34/0x70
[  305.346136]  ? __switch_to_asm+0x40/0x70
[  305.350203]  ? __switch_to_asm+0x34/0x70
[  305.354281]  bpf_clone_redirect+0xb9/0x490
[  305.358515]  ? __schedule+0x8d7/0x21d0
[  305.362454]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  305.367473]  ? __sched_text_start+0x8/0x8
[  305.371626]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  305.376207]  ? retint_kernel+0x2d/0x2d
[  305.380116]  ? trace_hardirqs_on_caller+0xc0/0x310
[  305.385095]  ? find_held_lock+0x36/0x1c0
[  305.389166]  ? lock_acquire+0x1ed/0x520
[  305.393146]  ? bpf_test_run+0x3cb/0x780
[  305.397180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.402721]  ? check_preemption_disabled+0x48/0x280
[  305.407741]  ? kasan_check_read+0x11/0x20
[  305.411883]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.417197]  ? rcu_softirq_qs+0x20/0x20
[  305.421170]  ? preempt_schedule+0x4d/0x60
[  305.425364]  ? ___preempt_schedule+0x16/0x18
[  305.429781]  ? bpf_test_run+0x25d/0x780
[  305.433782]  ? netlink_diag_dump+0x2a0/0x2a0
[  305.438201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.443782]  ? bpf_test_init.isra.10+0x70/0x100
[  305.448469]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  305.453230]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  305.458067]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  305.463647]  ? fput+0x130/0x1a0
[  305.466935]  ? __bpf_prog_get+0x9b/0x290
[  305.470999]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  305.475837]  ? bpf_prog_test_run+0x130/0x1a0
[  305.480244]  ? __x64_sys_bpf+0x3d8/0x520
[  305.484319]  ? bpf_prog_get+0x20/0x20
[  305.488166]  ? do_syscall_64+0x1b9/0x820
[  305.492229]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  305.497614]  ? syscall_return_slowpath+0x5e0/0x5e0
[  305.502639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.507484]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.512581]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  305.517639]  ? prepare_exit_to_usermode+0x291/0x3b0
[  305.522688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.527551]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  305.532963] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  305.533029] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.539883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.539888] Call Trace:
[  305.539893]  <IRQ>
[  305.539909]  dump_stack+0x244/0x39d
[  305.539927]  ? dump_stack_print_info.cold.1+0x20/0x20
[  305.546475] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.555756]  warn_alloc.cold.116+0xb7/0x1bd
[  305.558322] syz-executor3 cpuset=syz3 mems_allowed=0
[  305.560502]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.594060]  ? lock_downgrade+0x900/0x900
[  305.598225]  ? trace_hardirqs_off+0xb8/0x310
[  305.602676]  ? trace_hardirqs_off+0xb8/0x310
[  305.607104]  __alloc_pages_slowpath+0x26e8/0x2e10
[  305.611982]  ? warn_alloc+0x120/0x120
[  305.615781]  ? print_usage_bug+0xc0/0xc0
[  305.619859]  ? warn_alloc+0x120/0x120
[  305.623663]  ? warn_alloc+0x120/0x120
[  305.627466]  ? print_usage_bug+0xc0/0xc0
[  305.631523]  ? kvm_clock_read+0x18/0x30
[  305.635526]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  305.640551]  ? print_usage_bug+0xc0/0xc0
[  305.644629]  ? __lock_acquire+0x62f/0x4c20
[  305.648996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.654571]  ? should_fail+0x22d/0xd01
[  305.658458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.663842]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.668954]  ? __lock_acquire+0x62f/0x4c20
[  305.673206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.678328]  ? __lock_acquire+0x62f/0x4c20
[  305.682590]  ? should_fail+0x22d/0xd01
[  305.686469]  ? rcu_irq_exit+0x1a2/0x390
[  305.690449]  ? mark_held_locks+0x130/0x130
[  305.694688]  ? mark_held_locks+0x130/0x130
[  305.698928]  ? mark_held_locks+0xc7/0x130
[  305.703072]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  305.708113]  ? zap_class+0x640/0x640
[  305.711876]  ? print_usage_bug+0xc0/0xc0
[  305.715937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.721486]  ? check_preemption_disabled+0x48/0x280
[  305.726522]  ? __lock_is_held+0xb5/0x140
[  305.730598]  __alloc_pages_nodemask+0xa80/0xde0
[  305.735268]  ? zap_class+0x640/0x640
[  305.738989]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  305.744011]  ? find_held_lock+0x36/0x1c0
[  305.748077]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.752760]  ? lock_downgrade+0x900/0x900
[  305.756912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.762461]  cache_grow_begin+0xa5/0x8c0
[  305.766524]  ? do_raw_spin_unlock+0xa7/0x330
[  305.770945]  fallback_alloc+0x204/0x2e0
[  305.774930]  ____cache_alloc_node+0x1c7/0x1e0
[  305.779433]  kmem_cache_alloc_node+0xe3/0x730
[  305.783961]  ? ipv6_get_ifaddr+0x42e/0x620
[  305.788210]  __alloc_skb+0x119/0x770
[  305.791936]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.797224]  ? netdev_alloc_frag+0x1f0/0x1f0
[  305.801651]  ? lock_downgrade+0x900/0x900
[  305.805826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.811389]  ? refcount_sub_and_test_checked+0x203/0x310
[  305.816860]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  305.822411]  ? addrconf_rs_timer+0x690/0x690
[  305.826878]  ndisc_alloc_skb+0x144/0x340
[  305.830944]  ndisc_send_rs+0x331/0x6e0
[  305.834837]  addrconf_rs_timer+0x314/0x690
[  305.839082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.843342]  call_timer_fn+0x272/0x920
[  305.847235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.851486]  ? process_timeout+0x40/0x40
[  305.855613]  ? mark_held_locks+0xc7/0x130
[  305.859772]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.864264]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.868757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.872993]  ? lockdep_hardirqs_on+0x296/0x5b0
[  305.877576]  ? trace_hardirqs_on+0xbd/0x310
[  305.881902]  ? kasan_check_read+0x11/0x20
[  305.886067]  ? __run_timers+0x7da/0xc70
[  305.890062]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.895209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.899457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.903694]  __run_timers+0x7e5/0xc70
[  305.907508]  ? timer_fixup_init+0x70/0x70
[  305.911690]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  305.916709]  ? zap_class+0x640/0x640
[  305.920434]  ? print_usage_bug+0xc0/0xc0
[  305.924502]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  305.929723]  ? find_held_lock+0x36/0x1c0
[  305.933787]  ? zap_class+0x640/0x640
[  305.937511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.943091]  ? check_preemption_disabled+0x48/0x280
[  305.948170]  ? __lock_is_held+0xb5/0x140
[  305.952235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.957787]  ? check_preemption_disabled+0x48/0x280
[  305.962826]  run_timer_softirq+0x52/0xb0
[  305.966904]  ? rcu_read_lock_sched_held+0x14f/0x180
[  305.971941]  __do_softirq+0x308/0xb7e
[  305.975793]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  305.980306]  ? lock_downgrade+0x900/0x900
[  305.984462]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  305.989592]  ? pvclock_read_flags+0x160/0x160
[  305.994103]  ? lapic_next_event+0x5a/0x90
[  305.998260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.003830]  ? kvm_clock_read+0x18/0x30
[  306.007805]  ? kvm_sched_clock_read+0x9/0x20
[  306.012233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.017777]  ? check_preemption_disabled+0x48/0x280
[  306.022805]  irq_exit+0x17f/0x1c0
[  306.026315]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.031160]  ? smp_reschedule_interrupt+0x109/0x650
[  306.036179]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.042064]  ? interrupt_entry+0xb5/0xc0
[  306.046136]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.051162]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.056211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.061053]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.066064]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.071139]  ? task_prio+0x50/0x50
[  306.074702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.080247]  ? check_preemption_disabled+0x48/0x280
[  306.085306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.090179]  apic_timer_interrupt+0xf/0x20
[  306.094414]  </IRQ>
[  306.096662] RIP: 0010:dump_stack+0x358/0x39d
[  306.101084] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  306.119996] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  306.127712] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  306.134976] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  306.142242] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  306.149548] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  306.156826] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  306.164162]  ? dump_stack+0x34f/0x39d
[  306.167987]  ? dump_stack_print_info.cold.1+0x20/0x20
[  306.173196]  ? mark_held_locks+0x130/0x130
[  306.177473]  ? mark_held_locks+0x130/0x130
[  306.181721]  dump_header+0x27b/0xf72
[  306.185482]  ? pagefault_out_of_memory+0x197/0x197
[  306.190454]  ? __lock_acquire+0x62f/0x4c20
[  306.194693]  ? percpu_ref_get_many+0x240/0x240
[  306.199293]  ? print_usage_bug+0xc0/0xc0
[  306.203375]  ? zap_class+0x640/0x640
[  306.207093]  ? print_usage_bug+0xc0/0xc0
[  306.211152]  ? print_usage_bug+0xc0/0xc0
[  306.216080]  ? zap_class+0x640/0x640
[  306.219827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.225372]  ? find_held_lock+0x36/0x1c0
[  306.229456]  ? mark_held_locks+0xc7/0x130
[  306.233604]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  306.238720]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  306.243827]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  306.248412]  ? trace_hardirqs_on+0xbd/0x310
[  306.252749]  ? kasan_check_read+0x11/0x20
[  306.256905]  ? ___ratelimit+0x3b4/0x672
[  306.260878]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.265994]  ? trace_hardirqs_on+0x310/0x310
[  306.270398]  ? lock_downgrade+0x900/0x900
[  306.274548]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  306.279651]  ? ___ratelimit+0x3b9/0x672
[  306.283646]  ? idr_get_free+0xf70/0xf70
[  306.287622]  ? find_held_lock+0x36/0x1c0
[  306.291691]  oom_kill_process.cold.27+0x10/0x903
[  306.296460]  ? zap_class+0x640/0x640
[  306.300176]  ? check_preemption_disabled+0x48/0x280
[  306.305200]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  306.310141]  ? kasan_check_read+0x11/0x20
[  306.314300]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.320017]  ? oom_evaluate_task+0x540/0x540
[  306.324471]  ? find_held_lock+0x36/0x1c0
[  306.328540]  ? out_of_memory+0x974/0x1430
[  306.332686]  ? lock_downgrade+0x900/0x900
[  306.336834]  ? check_preemption_disabled+0x48/0x280
[  306.341868]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  306.346791]  ? kasan_check_read+0x11/0x20
[  306.350935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.356256]  ? rcu_softirq_qs+0x20/0x20
[  306.360233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.365775]  ? oom_evaluate_task+0x302/0x540
[  306.370189]  out_of_memory+0xa84/0x1430
[  306.374169]  ? oom_killer_disable+0x3a0/0x3a0
[  306.378675]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  306.383618]  ? __ww_mutex_check_waiters+0x160/0x160
[  306.388675]  __alloc_pages_slowpath+0x2354/0x2e10
[  306.393587]  ? warn_alloc+0x120/0x120
[  306.397389]  ? mark_held_locks+0x130/0x130
[  306.402019]  ? find_get_entry+0xaae/0x1120
[  306.406278]  ? filemap_map_pages+0x1a20/0x1a20
[  306.410865]  ? zap_class+0x640/0x640
[  306.414579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.420131]  ? check_preemption_disabled+0x48/0x280
[  306.425266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.430802]  ? should_fail+0x22d/0xd01
[  306.434688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.439789]  ? zap_class+0x640/0x640
[  306.443536]  ? __lock_is_held+0xb5/0x140
[  306.447599]  ? mark_held_locks+0x130/0x130
[  306.451997]  ? lock_release+0xa00/0xa00
[  306.455969]  ? perf_trace_sched_process_exec+0x860/0x860
[  306.461417]  ? xa_load+0x2ba/0x460
[  306.464956]  ? lock_downgrade+0x900/0x900
[  306.469162]  ? __might_sleep+0x95/0x190
[  306.473138]  __alloc_pages_nodemask+0xa80/0xde0
[  306.477838]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  306.482878]  ? __page_cache_alloc+0x191/0x5c0
[  306.487366]  ? xa_load+0x2e1/0x460
[  306.490902]  ? xa_clear_mark+0x40/0x40
[  306.494793]  ? zap_class+0x640/0x640
[  306.498516]  ? zap_class+0x640/0x640
[  306.502229]  ? zap_class+0x640/0x640
[  306.505950]  ? __do_page_cache_readahead+0x663/0x810
[  306.511054]  ? find_held_lock+0x36/0x1c0
[  306.515121]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  306.520696]  alloc_pages_current+0x173/0x350
[  306.525126]  __page_cache_alloc+0x38c/0x5c0
[  306.529437]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  306.534393]  ? kasan_check_read+0x11/0x20
[  306.538601]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.543875]  ? generic_perform_write+0x6a0/0x6a0
[  306.548639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.554170]  ? check_preemption_disabled+0x48/0x280
[  306.559200]  filemap_fault+0x1595/0x25f0
[  306.563320]  ? __lock_page_or_retry+0xa00/0xa00
[  306.568000]  ? mark_held_locks+0x130/0x130
[  306.572255]  ? filemap_map_pages+0xd6b/0x1a20
[  306.576750]  ? lock_downgrade+0x900/0x900
[  306.580895]  ? check_preemption_disabled+0x48/0x280
[  306.585914]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  306.590840]  ? kasan_check_read+0x11/0x20
[  306.594980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.600250]  ? rcu_softirq_qs+0x20/0x20
[  306.604274]  ? filemap_map_pages+0xd92/0x1a20
[  306.608777]  ? find_get_entries_tag+0x1400/0x1400
[  306.613619]  ? debug_object_destroy+0x2b0/0x2b0
[  306.618287]  ? lock_pi_update_atomic+0x150/0x150
[  306.623064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.628613]  ? lock_acquire+0x1ed/0x520
[  306.632583]  ? ext4_filemap_fault+0x7a/0xad
[  306.636903]  ? lock_release+0xa00/0xa00
[  306.640867]  ? perf_trace_sched_process_exec+0x860/0x860
[  306.646316]  ? print_usage_bug+0xc0/0xc0
[  306.650417]  ? print_usage_bug+0xc0/0xc0
[  306.654481]  ? down_read+0x8d/0x120
[  306.658143]  ? ext4_filemap_fault+0x7a/0xad
[  306.662465]  ? __down_interruptible+0x700/0x700
[  306.667158]  ext4_filemap_fault+0x82/0xad
[  306.671327]  __do_fault+0x100/0x6b0
[  306.674959]  ? pmd_devmap_trans_unstable+0x220/0x220
[  306.680065]  ? mark_held_locks+0x130/0x130
[  306.684412]  ? mark_held_locks+0x130/0x130
[  306.688645]  ? debug_smp_processor_id+0x1c/0x20
[  306.693307]  ? perf_trace_lock+0x14d/0x7a0
[  306.697550]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  306.703190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.708740]  __handle_mm_fault+0x3ea0/0x5be0
[  306.713151]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  306.717990]  ? lock_is_held_type+0x210/0x210
[  306.722447]  ? file_remove_privs+0x540/0x540
[  306.726875]  ? zap_class+0x640/0x640
[  306.730586]  ? zap_class+0x640/0x640
[  306.734341]  ? __x64_sys_futex+0x53e/0x6a0
[  306.738610]  ? find_held_lock+0x36/0x1c0
[  306.742675]  ? handle_mm_fault+0x42a/0xc70
[  306.746904]  ? lock_downgrade+0x900/0x900
[  306.751045]  ? check_preemption_disabled+0x48/0x280
[  306.756062]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  306.761001]  ? kasan_check_read+0x11/0x20
[  306.765157]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.770438]  ? rcu_softirq_qs+0x20/0x20
[  306.774409]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.779539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.785073]  ? check_preemption_disabled+0x48/0x280
[  306.790122]  handle_mm_fault+0x54f/0xc70
[  306.794192]  ? __handle_mm_fault+0x5be0/0x5be0
[  306.798780]  ? find_vma+0x34/0x190
[  306.802325]  __do_page_fault+0x5e8/0xe60
[  306.806385]  ? trace_hardirqs_off+0xb8/0x310
[  306.810814]  do_page_fault+0xf2/0x7e0
[  306.814612]  ? vmalloc_sync_all+0x30/0x30
[  306.818760]  ? error_entry+0x70/0xd0
[  306.822473]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.827487]  ? trace_hardirqs_on_caller+0xc0/0x310
[  306.832438]  ? syscall_return_slowpath+0x5e0/0x5e0
[  306.837365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.842221]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.847233]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  306.852682]  ? prepare_exit_to_usermode+0x291/0x3b0
[  306.857708]  ? page_fault+0x8/0x30
[  306.861278]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.866141]  ? page_fault+0x8/0x30
[  306.869677]  page_fault+0x1e/0x30
[  306.873137] RIP: 0033:0x40f9c0
[  306.876341] Code: Bad RIP value.
[  306.879707] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  306.885080] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  306.892389] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  306.899677] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  306.906946] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  306.914207] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  306.921492] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  306.921496] warn_alloc_show_mem: 1 callbacks suppressed
[  306.921503] Mem-Info:
[  306.928682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  306.934040] active_anon:50082 inactive_anon:201 isolated_anon:0
[  306.934040]  active_file:11 inactive_file:13 isolated_file:0
[  306.934040]  unevictable:0 dirty:0 writeback:0 unstable:0
[  306.934040]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  306.934040]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  306.934040]  free:13738 free_pcp:300 free_cma:0
[  306.936418] Call Trace:
[  306.945797] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  306.978648]  <IRQ>
[  306.981213] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  307.008698]  dump_stack+0x244/0x39d
[  307.010849] lowmem_reserve[]: 0 2818 6321 6321
[  307.036952]  ? dump_stack_print_info.cold.1+0x20/0x20
[  307.040551] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  307.045177]  warn_alloc.cold.116+0xb7/0x1bd
[  307.050337] lowmem_reserve[]: 0 0 3503 3503
[  307.077938]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.082248] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  307.086573]  ? lock_downgrade+0x900/0x900
[  307.091388] lowmem_reserve[]: 0 0 0 0
[  307.120294]  ? trace_hardirqs_off+0xb8/0x310
[  307.124411] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  307.128208]  ? trace_hardirqs_off+0xb8/0x310
[  307.132587] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  307.146137]  __alloc_pages_slowpath+0x26e8/0x2e10
[  307.150532] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  307.165626]  ? warn_alloc+0x120/0x120
[  307.170426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  307.185005]  ? print_usage_bug+0xc0/0xc0
[  307.188802] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  307.197622]  ? warn_alloc+0x120/0x120
[  307.201660] 268 total pagecache pages
[  307.210234]  ? warn_alloc+0x120/0x120
[  307.214023] 0 pages in swap cache
[  307.217827]  ? print_usage_bug+0xc0/0xc0
[  307.221608] Swap cache stats: add 0, delete 0, find 0/0
[  307.225043]  ? kvm_clock_read+0x18/0x30
[  307.229117] Free swap  = 0kB
[  307.234578]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  307.238526] Total swap = 0kB
[  307.241548]  ? print_usage_bug+0xc0/0xc0
[  307.246552] 1965979 pages RAM
[  307.249588]  ? __lock_acquire+0x62f/0x4c20
[  307.253634] 0 pages HighMem/MovableOnly
[  307.256792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.261016] 342853 pages reserved
[  307.264979]  ? should_fail+0x22d/0xd01
[  307.270503] 0 pages cma reserved
[  307.273963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.277880] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.281190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.287389] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.292973]  ? __lock_acquire+0x62f/0x4c20
[  307.298052] syz-fuzzer cpuset=/ mems_allowed=0
[  307.308268]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.322133]  ? __lock_acquire+0x62f/0x4c20
[  307.326365]  ? should_fail+0x22d/0xd01
[  307.330250]  ? rcu_irq_exit+0x1a2/0x390
[  307.334243]  ? mark_held_locks+0x130/0x130
[  307.338479]  ? mark_held_locks+0x130/0x130
[  307.342718]  ? mark_held_locks+0xc7/0x130
[  307.347048]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  307.352061]  ? zap_class+0x640/0x640
[  307.355770]  ? print_usage_bug+0xc0/0xc0
[  307.359854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.365407]  ? check_preemption_disabled+0x48/0x280
[  307.370438]  ? __lock_is_held+0xb5/0x140
[  307.374507]  __alloc_pages_nodemask+0xa80/0xde0
[  307.379169]  ? zap_class+0x640/0x640
[  307.382881]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  307.387900]  ? find_held_lock+0x36/0x1c0
[  307.392008]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.396691]  ? lock_downgrade+0x900/0x900
[  307.400878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.406449]  cache_grow_begin+0xa5/0x8c0
[  307.410534]  ? do_raw_spin_unlock+0xa7/0x330
[  307.414957]  fallback_alloc+0x204/0x2e0
[  307.418936]  ____cache_alloc_node+0x1c7/0x1e0
[  307.423445]  kmem_cache_alloc_node+0xe3/0x730
[  307.427937]  ? ipv6_get_ifaddr+0x42e/0x620
[  307.432316]  __alloc_skb+0x119/0x770
[  307.436049]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.441322]  ? netdev_alloc_frag+0x1f0/0x1f0
[  307.445737]  ? lock_downgrade+0x900/0x900
[  307.449882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.455414]  ? refcount_sub_and_test_checked+0x203/0x310
[  307.460862]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  307.466307]  ? addrconf_rs_timer+0x690/0x690
[  307.470732]  ndisc_alloc_skb+0x144/0x340
[  307.474910]  ndisc_send_rs+0x331/0x6e0
[  307.478911]  addrconf_rs_timer+0x314/0x690
[  307.483152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.487395]  call_timer_fn+0x272/0x920
[  307.491284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.495516]  ? process_timeout+0x40/0x40
[  307.499601]  ? __run_timers+0x7da/0xc70
[  307.503575]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.508069]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.512576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.516808]  ? lockdep_hardirqs_on+0x296/0x5b0
[  307.521400]  ? trace_hardirqs_on+0xbd/0x310
[  307.525718]  ? kasan_check_read+0x11/0x20
[  307.529862]  ? __run_timers+0x7da/0xc70
[  307.533831]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.538931]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.543162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.547402]  __run_timers+0x7e5/0xc70
[  307.551222]  ? timer_fixup_init+0x70/0x70
[  307.555389]  ? kasan_check_read+0x11/0x20
[  307.559530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.564797]  ? rcu_softirq_qs+0x20/0x20
[  307.568780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.574315]  ? check_preemption_disabled+0x48/0x280
[  307.579339]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.584109]  ? retint_kernel+0x2d/0x2d
[  307.587993]  ? trace_hardirqs_on_caller+0xc0/0x310
[  307.592917]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.597667]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.603148]  ? zap_class+0x640/0x640
[  307.606861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.612396]  ? check_preemption_disabled+0x48/0x280
[  307.617414]  ? __lock_is_held+0xb5/0x140
[  307.621480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.627026]  ? check_preemption_disabled+0x48/0x280
[  307.632048]  run_timer_softirq+0x52/0xb0
[  307.636108]  ? rcu_read_lock_sched_held+0x14f/0x180
[  307.641138]  __do_softirq+0x308/0xb7e
[  307.644957]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  307.649490]  ? lock_downgrade+0x900/0x900
[  307.653633]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  307.658753]  ? pvclock_read_flags+0x160/0x160
[  307.663245]  ? lapic_next_event+0x5a/0x90
[  307.667443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.672978]  ? kvm_clock_read+0x18/0x30
[  307.676964]  ? kvm_sched_clock_read+0x9/0x20
[  307.681408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.686968]  ? check_preemption_disabled+0x48/0x280
[  307.691988]  irq_exit+0x17f/0x1c0
[  307.695438]  smp_apic_timer_interrupt+0x1cb/0x760
[  307.700284]  ? smp_reschedule_interrupt+0x109/0x650
[  307.705313]  ? smp_call_function_single_interrupt+0x650/0x650
[  307.711206]  ? interrupt_entry+0xb5/0xc0
[  307.715282]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.720313]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.725329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.730185]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.735208]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.740222]  ? task_prio+0x50/0x50
[  307.743775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.749309]  ? check_preemption_disabled+0x48/0x280
[  307.754325]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.759187]  apic_timer_interrupt+0xf/0x20
[  307.763413]  </IRQ>
[  307.765647] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  307.770610] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  307.789508] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  307.797232] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  307.804492] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  307.811763] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  307.819032] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  307.826298] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  307.833622]  skb_clone+0x1bb/0x500
[  307.837158]  ? finish_task_switch+0x1b4/0x910
[  307.841652]  ? skb_split+0x11e0/0x11e0
[  307.845594]  ? preempt_notifier_register+0x200/0x200
[  307.850697]  ? __switch_to_asm+0x34/0x70
[  307.854753]  ? __switch_to_asm+0x34/0x70
[  307.858804]  ? __switch_to_asm+0x40/0x70
[  307.862877]  ? __switch_to_asm+0x34/0x70
[  307.866971]  ? __switch_to_asm+0x40/0x70
[  307.871024]  ? __switch_to_asm+0x34/0x70
[  307.875077]  ? __switch_to_asm+0x40/0x70
[  307.879137]  ? __switch_to_asm+0x34/0x70
[  307.883190]  ? __switch_to_asm+0x34/0x70
[  307.887255]  ? __switch_to_asm+0x40/0x70
[  307.891310]  ? __switch_to_asm+0x34/0x70
[  307.895371]  bpf_clone_redirect+0xb9/0x490
[  307.899619]  ? __schedule+0x8d7/0x21d0
[  307.903505]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  307.908518]  ? __sched_text_start+0x8/0x8
[  307.912660]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  307.917234]  ? retint_kernel+0x2d/0x2d
[  307.921120]  ? trace_hardirqs_on_caller+0xc0/0x310
[  307.926075]  ? find_held_lock+0x36/0x1c0
[  307.930145]  ? lock_acquire+0x1ed/0x520
[  307.934135]  ? bpf_test_run+0x3cb/0x780
[  307.938125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.943670]  ? check_preemption_disabled+0x48/0x280
[  307.948720]  ? kasan_check_read+0x11/0x20
[  307.952885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.958177]  ? rcu_softirq_qs+0x20/0x20
[  307.962166]  ? preempt_schedule+0x4d/0x60
[  307.966312]  ? ___preempt_schedule+0x16/0x18
[  307.970726]  ? bpf_test_run+0x25d/0x780
[  307.974708]  ? netlink_diag_dump+0x2a0/0x2a0
[  307.979135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.984685]  ? bpf_test_init.isra.10+0x70/0x100
[  307.989355]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  307.994134]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  307.998988]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  308.004521]  ? fput+0x130/0x1a0
[  308.007808]  ? __bpf_prog_get+0x9b/0x290
[  308.011870]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  308.016705]  ? bpf_prog_test_run+0x130/0x1a0
[  308.021115]  ? __x64_sys_bpf+0x3d8/0x520
[  308.025178]  ? bpf_prog_get+0x20/0x20
[  308.029014]  ? do_syscall_64+0x1b9/0x820
[  308.033071]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  308.038444]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.043377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.048221]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.053236]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  308.058252]  ? prepare_exit_to_usermode+0x291/0x3b0
[  308.063345]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.068227]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  308.073601] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  308.073683] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  308.080526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.080534] Call Trace:
[  308.087126] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  308.096351]  <IRQ>
[  308.098919] syz-executor3 cpuset=syz3 mems_allowed=0
[  308.109396]  dump_stack+0x244/0x39d
[  308.120298]  ? dump_stack_print_info.cold.1+0x20/0x20
[  308.125496]  warn_alloc.cold.116+0xb7/0x1bd
[  308.129813]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.134687]  ? lock_downgrade+0x900/0x900
[  308.138848]  ? trace_hardirqs_off+0xb8/0x310
[  308.143255]  ? trace_hardirqs_off+0xb8/0x310
[  308.147676]  __alloc_pages_slowpath+0x26e8/0x2e10
[  308.152595]  ? warn_alloc+0x120/0x120
[  308.156419]  ? find_held_lock+0x36/0x1c0
[  308.160504]  ? warn_alloc+0x120/0x120
[  308.164299]  ? warn_alloc+0x120/0x120
[  308.168118]  ? print_usage_bug+0xc0/0xc0
[  308.172198]  ? print_usage_bug+0xc0/0xc0
[  308.176257]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.181556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.187101]  ? should_fail+0x22d/0xd01
[  308.191002]  ? __lock_acquire+0x62f/0x4c20
[  308.195249]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.200366]  ? __lock_acquire+0x62f/0x4c20
[  308.204647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.209741]  ? __lock_acquire+0x62f/0x4c20
[  308.213966]  ? should_fail+0x22d/0xd01
[  308.217864]  ? mark_held_locks+0x130/0x130
[  308.222106]  ? mark_held_locks+0x130/0x130
[  308.226336]  ? __enqueue_entity+0x10d/0x1f0
[  308.230665]  ? zap_class+0x640/0x640
[  308.234375]  ? print_usage_bug+0xc0/0xc0
[  308.238446]  ? __lock_acquire+0x62f/0x4c20
[  308.242677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.248233]  ? check_preemption_disabled+0x48/0x280
[  308.253268]  ? __lock_is_held+0xb5/0x140
[  308.257342]  __alloc_pages_nodemask+0xa80/0xde0
[  308.262037]  ? zap_class+0x640/0x640
[  308.265766]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  308.270804]  ? find_held_lock+0x36/0x1c0
[  308.274867]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.279548]  ? lock_downgrade+0x900/0x900
[  308.283730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.289269]  cache_grow_begin+0xa5/0x8c0
[  308.293335]  ? do_raw_spin_unlock+0xa7/0x330
[  308.297756]  fallback_alloc+0x204/0x2e0
[  308.301748]  ____cache_alloc_node+0x1c7/0x1e0
[  308.306246]  kmem_cache_alloc_node+0xe3/0x730
[  308.310733]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.315083]  __alloc_skb+0x119/0x770
[  308.319324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.324638]  ? netdev_alloc_frag+0x1f0/0x1f0
[  308.329044]  ? lock_downgrade+0x900/0x900
[  308.333200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.338735]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.344187]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.349643]  ? addrconf_rs_timer+0x690/0x690
[  308.354058]  ndisc_alloc_skb+0x144/0x340
[  308.358145]  ndisc_send_rs+0x331/0x6e0
[  308.362048]  addrconf_rs_timer+0x314/0x690
[  308.366298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.370544]  call_timer_fn+0x272/0x920
[  308.374444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.378677]  ? process_timeout+0x40/0x40
[  308.382758]  ? mark_held_locks+0xc7/0x130
[  308.386907]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.391451]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.395972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.400221]  ? lockdep_hardirqs_on+0x296/0x5b0
[  308.404849]  ? trace_hardirqs_on+0xbd/0x310
[  308.409192]  ? kasan_check_read+0x11/0x20
[  308.413337]  ? __run_timers+0x7da/0xc70
[  308.417349]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.422454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.426678]  __run_timers+0x7e5/0xc70
[  308.430481]  ? timer_fixup_init+0x70/0x70
[  308.434625]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  308.439666]  ? zap_class+0x640/0x640
[  308.443379]  ? print_usage_bug+0xc0/0xc0
[  308.447440]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  308.452636]  ? find_held_lock+0x36/0x1c0
[  308.456693]  ? zap_class+0x640/0x640
[  308.460405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.465937]  ? check_preemption_disabled+0x48/0x280
[  308.470974]  ? __lock_is_held+0xb5/0x140
[  308.475140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.480688]  ? check_preemption_disabled+0x48/0x280
[  308.485751]  run_timer_softirq+0x52/0xb0
[  308.489810]  ? rcu_read_lock_sched_held+0x14f/0x180
[  308.494838]  __do_softirq+0x308/0xb7e
[  308.498651]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  308.503162]  ? lock_downgrade+0x900/0x900
[  308.507324]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  308.512440]  ? pvclock_read_flags+0x160/0x160
[  308.516946]  ? lapic_next_event+0x5a/0x90
[  308.521095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.526640]  ? kvm_clock_read+0x18/0x30
[  308.530625]  ? kvm_sched_clock_read+0x9/0x20
[  308.535033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.540570]  ? check_preemption_disabled+0x48/0x280
[  308.545592]  irq_exit+0x17f/0x1c0
[  308.549072]  smp_apic_timer_interrupt+0x1cb/0x760
[  308.553914]  ? smp_reschedule_interrupt+0x109/0x650
[  308.558950]  ? smp_call_function_single_interrupt+0x650/0x650
[  308.564840]  ? interrupt_entry+0xb5/0xc0
[  308.568946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.573954]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.578983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.583832]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.588841]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.593852]  ? task_prio+0x50/0x50
[  308.597389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.602938]  ? check_preemption_disabled+0x48/0x280
[  308.607955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.612812]  apic_timer_interrupt+0xf/0x20
[  308.617039]  </IRQ>
[  308.619289] RIP: 0010:dump_stack+0x358/0x39d
[  308.623720] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  308.642611] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  308.650341] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  308.657614] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  308.664875] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  308.672139] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  308.679398] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  308.686677]  ? dump_stack+0x34f/0x39d
[  308.690483]  ? dump_stack_print_info.cold.1+0x20/0x20
[  308.695675]  ? mark_held_locks+0x130/0x130
[  308.699905]  ? mark_held_locks+0x130/0x130
[  308.704148]  dump_header+0x27b/0xf72
[  308.707870]  ? pagefault_out_of_memory+0x197/0x197
[  308.712847]  ? __lock_acquire+0x62f/0x4c20
[  308.717107]  ? percpu_ref_get_many+0x240/0x240
[  308.721767]  ? print_usage_bug+0xc0/0xc0
[  308.725848]  ? zap_class+0x640/0x640
[  308.729556]  ? print_usage_bug+0xc0/0xc0
[  308.733629]  ? print_usage_bug+0xc0/0xc0
[  308.737689]  ? zap_class+0x640/0x640
[  308.741408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.746949]  ? find_held_lock+0x36/0x1c0
[  308.751017]  ? mark_held_locks+0xc7/0x130
[  308.755166]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  308.760266]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  308.765587]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  308.770169]  ? trace_hardirqs_on+0xbd/0x310
[  308.774489]  ? kasan_check_read+0x11/0x20
[  308.778650]  ? ___ratelimit+0x3b4/0x672
[  308.782623]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.787724]  ? trace_hardirqs_on+0x310/0x310
[  308.792137]  ? lock_downgrade+0x900/0x900
[  308.796320]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  308.801428]  ? ___ratelimit+0x3b9/0x672
[  308.805408]  ? idr_get_free+0xf70/0xf70
[  308.809397]  ? find_held_lock+0x36/0x1c0
[  308.813465]  oom_kill_process.cold.27+0x10/0x903
[  308.818235]  ? zap_class+0x640/0x640
[  308.821966]  ? check_preemption_disabled+0x48/0x280
[  308.827004]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.831943]  ? kasan_check_read+0x11/0x20
[  308.836113]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.841410]  ? oom_evaluate_task+0x540/0x540
[  308.845823]  ? find_held_lock+0x36/0x1c0
[  308.849885]  ? out_of_memory+0x974/0x1430
[  308.854030]  ? lock_downgrade+0x900/0x900
[  308.858174]  ? check_preemption_disabled+0x48/0x280
[  308.863206]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.868145]  ? kasan_check_read+0x11/0x20
[  308.872290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.877591]  ? rcu_softirq_qs+0x20/0x20
[  308.881564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.887109]  ? oom_evaluate_task+0x302/0x540
[  308.891538]  out_of_memory+0xa84/0x1430
[  308.895523]  ? oom_killer_disable+0x3a0/0x3a0
[  308.900017]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  308.904947]  ? __ww_mutex_check_waiters+0x160/0x160
[  308.909969]  __alloc_pages_slowpath+0x2354/0x2e10
[  308.914870]  ? warn_alloc+0x120/0x120
[  308.918665]  ? mark_held_locks+0x130/0x130
[  308.922902]  ? find_get_entry+0xaae/0x1120
[  308.927140]  ? filemap_map_pages+0x1a20/0x1a20
[  308.931719]  ? zap_class+0x640/0x640
[  308.935460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.941016]  ? check_preemption_disabled+0x48/0x280
[  308.946061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.951607]  ? should_fail+0x22d/0xd01
[  308.955522]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.960636]  ? zap_class+0x640/0x640
[  308.964370]  ? __lock_is_held+0xb5/0x140
[  308.968434]  ? mark_held_locks+0x130/0x130
[  308.972704]  ? lock_release+0xa00/0xa00
[  308.976673]  ? perf_trace_sched_process_exec+0x860/0x860
[  308.982127]  ? xa_load+0x2ba/0x460
[  308.985668]  ? lock_downgrade+0x900/0x900
[  308.989817]  ? __might_sleep+0x95/0x190
[  308.993790]  __alloc_pages_nodemask+0xa80/0xde0
[  308.998494]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  309.003538]  ? __page_cache_alloc+0x191/0x5c0
[  309.008029]  ? xa_load+0x2e1/0x460
[  309.011582]  ? xa_clear_mark+0x40/0x40
[  309.015484]  ? zap_class+0x640/0x640
[  309.019217]  ? zap_class+0x640/0x640
[  309.022934]  ? zap_class+0x640/0x640
[  309.026644]  ? __do_page_cache_readahead+0x663/0x810
[  309.031750]  ? find_held_lock+0x36/0x1c0
[  309.035810]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  309.041350]  alloc_pages_current+0x173/0x350
[  309.045777]  __page_cache_alloc+0x38c/0x5c0
[  309.050103]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  309.055028]  ? kasan_check_read+0x11/0x20
[  309.059174]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.064457]  ? generic_perform_write+0x6a0/0x6a0
[  309.069224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.074763]  ? check_preemption_disabled+0x48/0x280
[  309.079812]  filemap_fault+0x1595/0x25f0
[  309.083895]  ? __lock_page_or_retry+0xa00/0xa00
[  309.088580]  ? mark_held_locks+0x130/0x130
[  309.092818]  ? filemap_map_pages+0xd6b/0x1a20
[  309.097345]  ? lock_downgrade+0x900/0x900
[  309.101556]  ? check_preemption_disabled+0x48/0x280
[  309.106587]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  309.111510]  ? kasan_check_read+0x11/0x20
[  309.115711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.121032]  ? rcu_softirq_qs+0x20/0x20
[  309.125031]  ? filemap_map_pages+0xd92/0x1a20
[  309.129558]  ? find_get_entries_tag+0x1400/0x1400
[  309.134398]  ? debug_object_destroy+0x2b0/0x2b0
[  309.139066]  ? lock_pi_update_atomic+0x150/0x150
[  309.143825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.149367]  ? lock_acquire+0x1ed/0x520
[  309.153338]  ? ext4_filemap_fault+0x7a/0xad
[  309.157657]  ? lock_release+0xa00/0xa00
[  309.161639]  ? perf_trace_sched_process_exec+0x860/0x860
[  309.167137]  ? print_usage_bug+0xc0/0xc0
[  309.171201]  ? print_usage_bug+0xc0/0xc0
[  309.175272]  ? down_read+0x8d/0x120
[  309.178891]  ? ext4_filemap_fault+0x7a/0xad
[  309.183209]  ? __down_interruptible+0x700/0x700
[  309.187886]  ext4_filemap_fault+0x82/0xad
[  309.192034]  __do_fault+0x100/0x6b0
[  309.195685]  ? pmd_devmap_trans_unstable+0x220/0x220
[  309.200791]  ? mark_held_locks+0x130/0x130
[  309.205028]  ? mark_held_locks+0x130/0x130
[  309.209265]  ? debug_smp_processor_id+0x1c/0x20
[  309.213946]  ? perf_trace_lock+0x14d/0x7a0
[  309.218209]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  309.223851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.229391]  __handle_mm_fault+0x3ea0/0x5be0
[  309.233803]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  309.238640]  ? lock_is_held_type+0x210/0x210
[  309.243044]  ? file_remove_privs+0x540/0x540
[  309.247458]  ? zap_class+0x640/0x640
[  309.251171]  ? zap_class+0x640/0x640
[  309.254893]  ? __x64_sys_futex+0x53e/0x6a0
[  309.259143]  ? find_held_lock+0x36/0x1c0
[  309.263208]  ? handle_mm_fault+0x42a/0xc70
[  309.267444]  ? lock_downgrade+0x900/0x900
[  309.271635]  ? check_preemption_disabled+0x48/0x280
[  309.276695]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  309.281680]  ? kasan_check_read+0x11/0x20
[  309.285823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.291119]  ? rcu_softirq_qs+0x20/0x20
[  309.295134]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.300239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.305777]  ? check_preemption_disabled+0x48/0x280
[  309.310801]  handle_mm_fault+0x54f/0xc70
[  309.314865]  ? __handle_mm_fault+0x5be0/0x5be0
[  309.319450]  ? find_vma+0x34/0x190
[  309.322994]  __do_page_fault+0x5e8/0xe60
[  309.327053]  ? trace_hardirqs_off+0xb8/0x310
[  309.331471]  do_page_fault+0xf2/0x7e0
[  309.335271]  ? vmalloc_sync_all+0x30/0x30
[  309.339418]  ? error_entry+0x70/0xd0
[  309.343223]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.348237]  ? trace_hardirqs_on_caller+0xc0/0x310
[  309.353160]  ? syscall_return_slowpath+0x5e0/0x5e0
[  309.358083]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.362935]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.367961]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.373426]  ? prepare_exit_to_usermode+0x291/0x3b0
[  309.378441]  ? page_fault+0x8/0x30
[  309.381979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.386828]  ? page_fault+0x8/0x30
[  309.390368]  page_fault+0x1e/0x30
[  309.393813] RIP: 0033:0x40f9c0
[  309.397011] Code: Bad RIP value.
[  309.400369] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  309.405727] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  309.412990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  309.420256] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  309.427532] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  309.434795] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  309.442082] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  309.442094] warn_alloc_show_mem: 1 callbacks suppressed
[  309.442103] Mem-Info:
[  309.449286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.454665] active_anon:50082 inactive_anon:201 isolated_anon:0
[  309.454665]  active_file:11 inactive_file:13 isolated_file:0
[  309.454665]  unevictable:0 dirty:0 writeback:0 unstable:0
[  309.454665]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  309.454665]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  309.454665]  free:13738 free_pcp:300 free_cma:0
[  309.457047] Call Trace:
[  309.466486] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  309.499351]  <IRQ>
[  309.501915] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  309.529428]  dump_stack+0x244/0x39d
[  309.531551] lowmem_reserve[]: 0 2818 6321 6321
[  309.557650]  ? dump_stack_print_info.cold.1+0x20/0x20
[  309.561255] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  309.565827]  warn_alloc.cold.116+0xb7/0x1bd
[  309.570985] lowmem_reserve[]: 0 0 3503 3503
[  309.598584]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.602880] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  309.607222]  ? lock_downgrade+0x900/0x900
[  309.612065] lowmem_reserve[]: 0 0 0 0
[  309.640986]  ? trace_hardirqs_off+0xb8/0x310
[  309.645112] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  309.648920]  ? trace_hardirqs_off+0xb8/0x310
[  309.653317] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  309.666836]  __alloc_pages_slowpath+0x26e8/0x2e10
[  309.671214] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  309.686339]  ? warn_alloc+0x120/0x120
[  309.691130] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  309.705691]  ? print_usage_bug+0xc0/0xc0
[  309.709472] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  309.718292]  ? warn_alloc+0x120/0x120
[  309.722338] 268 total pagecache pages
[  309.730901]  ? warn_alloc+0x120/0x120
[  309.735040] 0 pages in swap cache
[  309.738825]  ? print_usage_bug+0xc0/0xc0
[  309.742601] Swap cache stats: add 0, delete 0, find 0/0
[  309.746043]  ? kvm_clock_read+0x18/0x30
[  309.750078] Free swap  = 0kB
[  309.755449]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  309.759413] Total swap = 0kB
[  309.762423]  ? print_usage_bug+0xc0/0xc0
[  309.767414] 1965979 pages RAM
[  309.770428]  ? __lock_acquire+0x62f/0x4c20
[  309.774461] 0 pages HighMem/MovableOnly
[  309.777559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.781766] 342853 pages reserved
[  309.785736]  ? should_fail+0x22d/0xd01
[  309.791248] 0 pages cma reserved
[  309.794696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.798624] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.801912]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.807280] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.813663]  ? __lock_acquire+0x62f/0x4c20
[  309.818740] syz-fuzzer cpuset=/ mems_allowed=0
[  309.828954]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.842824]  ? __lock_acquire+0x62f/0x4c20
[  309.847060]  ? should_fail+0x22d/0xd01
[  309.850945]  ? rcu_irq_exit+0x1a2/0x390
[  309.854935]  ? mark_held_locks+0x130/0x130
[  309.859186]  ? mark_held_locks+0x130/0x130
[  309.863434]  ? mark_held_locks+0xc7/0x130
[  309.867594]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  309.872632]  ? zap_class+0x640/0x640
[  309.876352]  ? print_usage_bug+0xc0/0xc0
[  309.880414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.885965]  ? check_preemption_disabled+0x48/0x280
[  309.890983]  ? __lock_is_held+0xb5/0x140
[  309.895046]  __alloc_pages_nodemask+0xa80/0xde0
[  309.899713]  ? zap_class+0x640/0x640
[  309.903446]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  309.908502]  ? find_held_lock+0x36/0x1c0
[  309.912585]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.917258]  ? lock_downgrade+0x900/0x900
[  309.921429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.926979]  cache_grow_begin+0xa5/0x8c0
[  309.931044]  ? do_raw_spin_unlock+0xa7/0x330
[  309.935475]  fallback_alloc+0x204/0x2e0
[  309.939470]  ____cache_alloc_node+0x1c7/0x1e0
[  309.943972]  kmem_cache_alloc_node+0xe3/0x730
[  309.948468]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.952724]  __alloc_skb+0x119/0x770
[  309.956462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.961739]  ? netdev_alloc_frag+0x1f0/0x1f0
[  309.966159]  ? lock_downgrade+0x900/0x900
[  309.970334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.975883]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.981354]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.986801]  ? addrconf_rs_timer+0x690/0x690
[  309.991220]  ndisc_alloc_skb+0x144/0x340
[  309.995284]  ndisc_send_rs+0x331/0x6e0
[  309.999177]  addrconf_rs_timer+0x314/0x690
[  310.003418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.007687]  call_timer_fn+0x272/0x920
[  310.011571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.015852]  ? process_timeout+0x40/0x40
[  310.019943]  ? __run_timers+0x7da/0xc70
[  310.023912]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.028428]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.032915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.037143]  ? lockdep_hardirqs_on+0x296/0x5b0
[  310.041736]  ? trace_hardirqs_on+0xbd/0x310
[  310.046055]  ? kasan_check_read+0x11/0x20
[  310.050225]  ? __run_timers+0x7da/0xc70
[  310.054209]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.059315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.063572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.067811]  __run_timers+0x7e5/0xc70
[  310.071622]  ? timer_fixup_init+0x70/0x70
[  310.075796]  ? kasan_check_read+0x11/0x20
[  310.079936]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.085208]  ? rcu_softirq_qs+0x20/0x20
[  310.089178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.094710]  ? check_preemption_disabled+0x48/0x280
[  310.099726]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.104478]  ? retint_kernel+0x2d/0x2d
[  310.108356]  ? trace_hardirqs_on_caller+0xc0/0x310
[  310.113280]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.118044]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.123514]  ? zap_class+0x640/0x640
[  310.127231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.132762]  ? check_preemption_disabled+0x48/0x280
[  310.137778]  ? __lock_is_held+0xb5/0x140
[  310.141847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.147392]  ? check_preemption_disabled+0x48/0x280
[  310.152434]  run_timer_softirq+0x52/0xb0
[  310.156526]  ? rcu_read_lock_sched_held+0x14f/0x180
[  310.161538]  __do_softirq+0x308/0xb7e
[  310.165370]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  310.169909]  ? lock_downgrade+0x900/0x900
[  310.174077]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  310.179197]  ? pvclock_read_flags+0x160/0x160
[  310.183724]  ? lapic_next_event+0x5a/0x90
[  310.187869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.193412]  ? kvm_clock_read+0x18/0x30
[  310.197386]  ? kvm_sched_clock_read+0x9/0x20
[  310.201805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.207368]  ? check_preemption_disabled+0x48/0x280
[  310.212402]  irq_exit+0x17f/0x1c0
[  310.215850]  smp_apic_timer_interrupt+0x1cb/0x760
[  310.220686]  ? smp_reschedule_interrupt+0x109/0x650
[  310.225696]  ? smp_call_function_single_interrupt+0x650/0x650
[  310.231577]  ? interrupt_entry+0xb5/0xc0
[  310.235638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.240675]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.245689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.250544]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.255587]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.260604]  ? task_prio+0x50/0x50
[  310.264179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.269823]  ? check_preemption_disabled+0x48/0x280
[  310.274835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.279698]  apic_timer_interrupt+0xf/0x20
[  310.283923]  </IRQ>
[  310.286164] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  310.291100] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  310.310011] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  310.317834] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  310.325103] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  310.332373] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  310.339633] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  310.346895] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  310.354204]  skb_clone+0x1bb/0x500
[  310.357741]  ? finish_task_switch+0x1b4/0x910
[  310.362228]  ? skb_split+0x11e0/0x11e0
[  310.366140]  ? preempt_notifier_register+0x200/0x200
[  310.371237]  ? __switch_to_asm+0x34/0x70
[  310.375307]  ? __switch_to_asm+0x34/0x70
[  310.379405]  ? __switch_to_asm+0x40/0x70
[  310.383460]  ? __switch_to_asm+0x34/0x70
[  310.387521]  ? __switch_to_asm+0x40/0x70
[  310.391578]  ? __switch_to_asm+0x34/0x70
[  310.395643]  ? __switch_to_asm+0x40/0x70
[  310.399715]  ? __switch_to_asm+0x34/0x70
[  310.403770]  ? __switch_to_asm+0x34/0x70
[  310.407827]  ? __switch_to_asm+0x40/0x70
[  310.411878]  ? __switch_to_asm+0x34/0x70
[  310.415937]  bpf_clone_redirect+0xb9/0x490
[  310.420177]  ? __schedule+0x8d7/0x21d0
[  310.424066]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  310.429120]  ? __sched_text_start+0x8/0x8
[  310.433274]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  310.437851]  ? retint_kernel+0x2d/0x2d
[  310.441748]  ? trace_hardirqs_on_caller+0xc0/0x310
[  310.446674]  ? find_held_lock+0x36/0x1c0
[  310.451204]  ? lock_acquire+0x1ed/0x520
[  310.455186]  ? bpf_test_run+0x3cb/0x780
[  310.459154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.464685]  ? check_preemption_disabled+0x48/0x280
[  310.469718]  ? kasan_check_read+0x11/0x20
[  310.473877]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.479161]  ? rcu_softirq_qs+0x20/0x20
[  310.483158]  ? preempt_schedule+0x4d/0x60
[  310.487305]  ? ___preempt_schedule+0x16/0x18
[  310.491755]  ? bpf_test_run+0x25d/0x780
[  310.495750]  ? netlink_diag_dump+0x2a0/0x2a0
[  310.500176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.505712]  ? bpf_test_init.isra.10+0x70/0x100
[  310.510381]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  310.515153]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  310.520003]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  310.525547]  ? fput+0x130/0x1a0
[  310.528842]  ? __bpf_prog_get+0x9b/0x290
[  310.532932]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  310.537768]  ? bpf_prog_test_run+0x130/0x1a0
[  310.542187]  ? __x64_sys_bpf+0x3d8/0x520
[  310.546253]  ? bpf_prog_get+0x20/0x20
[  310.550116]  ? do_syscall_64+0x1b9/0x820
[  310.554176]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  310.559534]  ? syscall_return_slowpath+0x5e0/0x5e0
[  310.564474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.569316]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.574344]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  310.579375]  ? prepare_exit_to_usermode+0x291/0x3b0
[  310.584412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.589263]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  310.594657] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  310.594810] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  310.601590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.601604] Call Trace:
[  310.608217] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  310.617497]  <IRQ>
[  310.620085] syz-executor3 cpuset=syz3 mems_allowed=0
[  310.630583]  dump_stack+0x244/0x39d
[  310.641419]  ? dump_stack_print_info.cold.1+0x20/0x20
[  310.646624]  warn_alloc.cold.116+0xb7/0x1bd
[  310.650948]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.655796]  ? lock_downgrade+0x900/0x900
[  310.659951]  ? trace_hardirqs_off+0xb8/0x310
[  310.664363]  ? trace_hardirqs_off+0xb8/0x310
[  310.668795]  __alloc_pages_slowpath+0x26e8/0x2e10
[  310.673657]  ? warn_alloc+0x120/0x120
[  310.677458]  ? print_usage_bug+0xc0/0xc0
[  310.681518]  ? warn_alloc+0x120/0x120
[  310.685335]  ? warn_alloc+0x120/0x120
[  310.689158]  ? print_usage_bug+0xc0/0xc0
[  310.693221]  ? kvm_clock_read+0x18/0x30
[  310.697200]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  310.702216]  ? print_usage_bug+0xc0/0xc0
[  310.706306]  ? __lock_acquire+0x62f/0x4c20
[  310.710543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.716083]  ? should_fail+0x22d/0xd01
[  310.719999]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.725320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.730425]  ? __lock_acquire+0x62f/0x4c20
[  310.734667]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.739769]  ? __lock_acquire+0x62f/0x4c20
[  310.744030]  ? should_fail+0x22d/0xd01
[  310.747913]  ? rcu_irq_exit+0x1a2/0x390
[  310.751895]  ? mark_held_locks+0x130/0x130
[  310.756147]  ? mark_held_locks+0x130/0x130
[  310.760421]  ? mark_held_locks+0xc7/0x130
[  310.764570]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  310.769598]  ? zap_class+0x640/0x640
[  310.773327]  ? print_usage_bug+0xc0/0xc0
[  310.777396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.782936]  ? check_preemption_disabled+0x48/0x280
[  310.787960]  ? __lock_is_held+0xb5/0x140
[  310.792047]  __alloc_pages_nodemask+0xa80/0xde0
[  310.796723]  ? zap_class+0x640/0x640
[  310.800450]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  310.805484]  ? find_held_lock+0x36/0x1c0
[  310.809588]  ? ____cache_alloc_node+0x1c7/0x1e0
[  310.814259]  ? lock_downgrade+0x900/0x900
[  310.818431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.823973]  cache_grow_begin+0xa5/0x8c0
[  310.828034]  ? do_raw_spin_unlock+0xa7/0x330
[  310.832452]  fallback_alloc+0x204/0x2e0
[  310.836445]  ____cache_alloc_node+0x1c7/0x1e0
[  310.840949]  kmem_cache_alloc_node+0xe3/0x730
[  310.845450]  ? ipv6_get_ifaddr+0x42e/0x620
[  310.849700]  __alloc_skb+0x119/0x770
[  310.853414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.858716]  ? netdev_alloc_frag+0x1f0/0x1f0
[  310.863144]  ? lock_downgrade+0x900/0x900
[  310.867301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.872844]  ? refcount_sub_and_test_checked+0x203/0x310
[  310.878298]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  310.883782]  ? addrconf_rs_timer+0x690/0x690
[  310.888221]  ndisc_alloc_skb+0x144/0x340
[  310.892290]  ndisc_send_rs+0x331/0x6e0
[  310.896189]  addrconf_rs_timer+0x314/0x690
[  310.900433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.904678]  call_timer_fn+0x272/0x920
[  310.908599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.912850]  ? process_timeout+0x40/0x40
[  310.916929]  ? mark_held_locks+0xc7/0x130
[  310.921078]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.925583]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.930076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.934375]  ? lockdep_hardirqs_on+0x296/0x5b0
[  310.938960]  ? trace_hardirqs_on+0xbd/0x310
[  310.943286]  ? kasan_check_read+0x11/0x20
[  310.947433]  ? __run_timers+0x7da/0xc70
[  310.951412]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.956536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.960778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.965010]  __run_timers+0x7e5/0xc70
[  310.968823]  ? timer_fixup_init+0x70/0x70
[  310.972999]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  310.978014]  ? zap_class+0x640/0x640
[  310.981747]  ? print_usage_bug+0xc0/0xc0
[  310.985814]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  310.991015]  ? find_held_lock+0x36/0x1c0
[  310.995083]  ? zap_class+0x640/0x640
[  310.998834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.004393]  ? check_preemption_disabled+0x48/0x280
[  311.009419]  ? __lock_is_held+0xb5/0x140
[  311.013486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.019024]  ? check_preemption_disabled+0x48/0x280
[  311.024049]  run_timer_softirq+0x52/0xb0
[  311.028120]  ? rcu_read_lock_sched_held+0x14f/0x180
[  311.033142]  __do_softirq+0x308/0xb7e
[  311.036944]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  311.041439]  ? lock_downgrade+0x900/0x900
[  311.045590]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  311.050700]  ? pvclock_read_flags+0x160/0x160
[  311.055216]  ? lapic_next_event+0x5a/0x90
[  311.059391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.064946]  ? kvm_clock_read+0x18/0x30
[  311.068922]  ? kvm_sched_clock_read+0x9/0x20
[  311.073357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.078908]  ? check_preemption_disabled+0x48/0x280
[  311.083947]  irq_exit+0x17f/0x1c0
[  311.087403]  smp_apic_timer_interrupt+0x1cb/0x760
[  311.092248]  ? smp_reschedule_interrupt+0x109/0x650
[  311.097269]  ? smp_call_function_single_interrupt+0x650/0x650
[  311.103151]  ? interrupt_entry+0xb5/0xc0
[  311.107245]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.112259]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.117292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.122171]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.127189]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.132207]  ? task_prio+0x50/0x50
[  311.135745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.141284]  ? check_preemption_disabled+0x48/0x280
[  311.146307]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.151152]  apic_timer_interrupt+0xf/0x20
[  311.155405]  </IRQ>
[  311.157661] RIP: 0010:dump_stack+0x358/0x39d
[  311.162071] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  311.180994] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  311.188700] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  311.195967] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  311.203231] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  311.210498] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  311.217760] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  311.225039]  ? dump_stack+0x34f/0x39d
[  311.228847]  ? dump_stack_print_info.cold.1+0x20/0x20
[  311.234037]  ? mark_held_locks+0x130/0x130
[  311.238269]  ? mark_held_locks+0x130/0x130
[  311.242513]  dump_header+0x27b/0xf72
[  311.246237]  ? pagefault_out_of_memory+0x197/0x197
[  311.251192]  ? __lock_acquire+0x62f/0x4c20
[  311.255429]  ? percpu_ref_get_many+0x240/0x240
[  311.260026]  ? print_usage_bug+0xc0/0xc0
[  311.264102]  ? zap_class+0x640/0x640
[  311.267833]  ? print_usage_bug+0xc0/0xc0
[  311.271914]  ? print_usage_bug+0xc0/0xc0
[  311.275978]  ? zap_class+0x640/0x640
[  311.279719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.285264]  ? find_held_lock+0x36/0x1c0
[  311.289331]  ? mark_held_locks+0xc7/0x130
[  311.293493]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  311.298591]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  311.303705]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  311.308325]  ? trace_hardirqs_on+0xbd/0x310
[  311.312644]  ? kasan_check_read+0x11/0x20
[  311.317135]  ? ___ratelimit+0x3b4/0x672
[  311.321116]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.326215]  ? trace_hardirqs_on+0x310/0x310
[  311.330635]  ? lock_downgrade+0x900/0x900
[  311.334795]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  311.339899]  ? ___ratelimit+0x3b9/0x672
[  311.343884]  ? idr_get_free+0xf70/0xf70
[  311.347863]  ? find_held_lock+0x36/0x1c0
[  311.351929]  oom_kill_process.cold.27+0x10/0x903
[  311.356679]  ? zap_class+0x640/0x640
[  311.360405]  ? check_preemption_disabled+0x48/0x280
[  311.365435]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.370379]  ? kasan_check_read+0x11/0x20
[  311.374537]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.379817]  ? oom_evaluate_task+0x540/0x540
[  311.384226]  ? find_held_lock+0x36/0x1c0
[  311.388295]  ? out_of_memory+0x974/0x1430
[  311.392444]  ? lock_downgrade+0x900/0x900
[  311.396590]  ? check_preemption_disabled+0x48/0x280
[  311.401622]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.406560]  ? kasan_check_read+0x11/0x20
[  311.410700]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.415984]  ? rcu_softirq_qs+0x20/0x20
[  311.419955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.425482]  ? oom_evaluate_task+0x302/0x540
[  311.429911]  out_of_memory+0xa84/0x1430
[  311.433888]  ? oom_killer_disable+0x3a0/0x3a0
[  311.438420]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  311.443357]  ? __ww_mutex_check_waiters+0x160/0x160
[  311.448384]  __alloc_pages_slowpath+0x2354/0x2e10
[  311.453287]  ? warn_alloc+0x120/0x120
[  311.457084]  ? mark_held_locks+0x130/0x130
[  311.461340]  ? find_get_entry+0xaae/0x1120
[  311.465596]  ? filemap_map_pages+0x1a20/0x1a20
[  311.470181]  ? zap_class+0x640/0x640
[  311.473894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.479556]  ? check_preemption_disabled+0x48/0x280
[  311.484566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.490144]  ? should_fail+0x22d/0xd01
[  311.494051]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.499153]  ? zap_class+0x640/0x640
[  311.502884]  ? __lock_is_held+0xb5/0x140
[  311.506945]  ? mark_held_locks+0x130/0x130
[  311.511175]  ? lock_release+0xa00/0xa00
[  311.515157]  ? perf_trace_sched_process_exec+0x860/0x860
[  311.520600]  ? xa_load+0x2ba/0x460
[  311.524178]  ? lock_downgrade+0x900/0x900
[  311.528351]  ? __might_sleep+0x95/0x190
[  311.532339]  __alloc_pages_nodemask+0xa80/0xde0
[  311.537010]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  311.542033]  ? __page_cache_alloc+0x191/0x5c0
[  311.546524]  ? xa_load+0x2e1/0x460
[  311.550080]  ? xa_clear_mark+0x40/0x40
[  311.553976]  ? zap_class+0x640/0x640
[  311.557690]  ? zap_class+0x640/0x640
[  311.561399]  ? zap_class+0x640/0x640
[  311.565135]  ? __do_page_cache_readahead+0x663/0x810
[  311.570258]  ? find_held_lock+0x36/0x1c0
[  311.574342]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  311.579886]  alloc_pages_current+0x173/0x350
[  311.584296]  __page_cache_alloc+0x38c/0x5c0
[  311.588622]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.593552]  ? kasan_check_read+0x11/0x20
[  311.597702]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.602979]  ? generic_perform_write+0x6a0/0x6a0
[  311.607734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.613272]  ? check_preemption_disabled+0x48/0x280
[  311.618293]  filemap_fault+0x1595/0x25f0
[  311.622360]  ? __lock_page_or_retry+0xa00/0xa00
[  311.627029]  ? mark_held_locks+0x130/0x130
[  311.631286]  ? filemap_map_pages+0xd6b/0x1a20
[  311.635792]  ? lock_downgrade+0x900/0x900
[  311.639936]  ? check_preemption_disabled+0x48/0x280
[  311.644954]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.649879]  ? kasan_check_read+0x11/0x20
[  311.654037]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.659312]  ? rcu_softirq_qs+0x20/0x20
[  311.663307]  ? filemap_map_pages+0xd92/0x1a20
[  311.667826]  ? find_get_entries_tag+0x1400/0x1400
[  311.672678]  ? debug_object_destroy+0x2b0/0x2b0
[  311.677376]  ? lock_pi_update_atomic+0x150/0x150
[  311.682144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.687701]  ? lock_acquire+0x1ed/0x520
[  311.691673]  ? ext4_filemap_fault+0x7a/0xad
[  311.695998]  ? lock_release+0xa00/0xa00
[  311.699964]  ? perf_trace_sched_process_exec+0x860/0x860
[  311.705411]  ? print_usage_bug+0xc0/0xc0
[  311.709600]  ? print_usage_bug+0xc0/0xc0
[  311.713669]  ? down_read+0x8d/0x120
[  311.717286]  ? ext4_filemap_fault+0x7a/0xad
[  311.721616]  ? __down_interruptible+0x700/0x700
[  311.726317]  ext4_filemap_fault+0x82/0xad
[  311.730466]  __do_fault+0x100/0x6b0
[  311.734109]  ? pmd_devmap_trans_unstable+0x220/0x220
[  311.739219]  ? mark_held_locks+0x130/0x130
[  311.743473]  ? mark_held_locks+0x130/0x130
[  311.747709]  ? debug_smp_processor_id+0x1c/0x20
[  311.752375]  ? perf_trace_lock+0x14d/0x7a0
[  311.756626]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  311.762259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.767828]  __handle_mm_fault+0x3ea0/0x5be0
[  311.772253]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  311.777115]  ? lock_is_held_type+0x210/0x210
[  311.781538]  ? file_remove_privs+0x540/0x540
[  311.785970]  ? zap_class+0x640/0x640
[  311.789679]  ? zap_class+0x640/0x640
[  311.793388]  ? __x64_sys_futex+0x53e/0x6a0
[  311.797628]  ? find_held_lock+0x36/0x1c0
[  311.801733]  ? handle_mm_fault+0x42a/0xc70
[  311.805969]  ? lock_downgrade+0x900/0x900
[  311.810128]  ? check_preemption_disabled+0x48/0x280
[  311.815148]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  311.820071]  ? kasan_check_read+0x11/0x20
[  311.824226]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.829493]  ? rcu_softirq_qs+0x20/0x20
[  311.833487]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.838588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.844146]  ? check_preemption_disabled+0x48/0x280
[  311.849163]  handle_mm_fault+0x54f/0xc70
[  311.853232]  ? __handle_mm_fault+0x5be0/0x5be0
[  311.857833]  ? find_vma+0x34/0x190
[  311.861391]  __do_page_fault+0x5e8/0xe60
[  311.865445]  ? trace_hardirqs_off+0xb8/0x310
[  311.869888]  do_page_fault+0xf2/0x7e0
[  311.873704]  ? vmalloc_sync_all+0x30/0x30
[  311.877848]  ? error_entry+0x70/0xd0
[  311.881583]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.886599]  ? trace_hardirqs_on_caller+0xc0/0x310
[  311.891531]  ? syscall_return_slowpath+0x5e0/0x5e0
[  311.896461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.901316]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.906347]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.911805]  ? prepare_exit_to_usermode+0x291/0x3b0
[  311.916819]  ? page_fault+0x8/0x30
[  311.920375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.925246]  ? page_fault+0x8/0x30
[  311.928800]  page_fault+0x1e/0x30
[  311.932269] RIP: 0033:0x40f9c0
[  311.935481] Code: Bad RIP value.
[  311.938869] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  311.944243] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  311.951510] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  311.958781] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  311.966041] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  311.973306] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  311.980627] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  311.980633] warn_alloc_show_mem: 1 callbacks suppressed
[  311.980640] Mem-Info:
[  311.987832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  311.993200] active_anon:50082 inactive_anon:201 isolated_anon:0
[  311.993200]  active_file:11 inactive_file:13 isolated_file:0
[  311.993200]  unevictable:0 dirty:0 writeback:0 unstable:0
[  311.993200]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  311.993200]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  311.993200]  free:13738 free_pcp:300 free_cma:0
[  311.995574] Call Trace:
[  312.004990] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  312.037834]  <IRQ>
[  312.040424] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  312.067917]  dump_stack+0x244/0x39d
[  312.070040] lowmem_reserve[]: 0 2818 6321 6321
[  312.096155]  ? dump_stack_print_info.cold.1+0x20/0x20
[  312.099755] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  312.104338]  warn_alloc.cold.116+0xb7/0x1bd
[  312.109496] lowmem_reserve[]: 0 0 3503 3503
[  312.137073]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  312.141373] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  312.145683]  ? lock_downgrade+0x900/0x900
[  312.150497] lowmem_reserve[]: 0 0 0 0
[  312.179411]  ? trace_hardirqs_off+0xb8/0x310
[  312.183533] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  312.187328]  ? trace_hardirqs_off+0xb8/0x310
[  312.191739] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  312.205259]  __alloc_pages_slowpath+0x26e8/0x2e10
[  312.209640] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  312.224740]  ? warn_alloc+0x120/0x120
[  312.229544] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  312.244103]  ? print_usage_bug+0xc0/0xc0
[  312.247890] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  312.256711]  ? warn_alloc+0x120/0x120
[  312.260751] 268 total pagecache pages
[  312.269319]  ? warn_alloc+0x120/0x120
[  312.273116] 0 pages in swap cache
[  312.276897]  ? print_usage_bug+0xc0/0xc0
[  312.280708] Swap cache stats: add 0, delete 0, find 0/0
[  312.284150]  ? kvm_clock_read+0x18/0x30
[  312.288188] Free swap  = 0kB
[  312.293543]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  312.297494] Total swap = 0kB
[  312.300522]  ? print_usage_bug+0xc0/0xc0
[  312.305511] 1965979 pages RAM
[  312.308521]  ? __lock_acquire+0x62f/0x4c20
[  312.312560] 0 pages HighMem/MovableOnly
[  312.315656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.320374] 342853 pages reserved
[  312.320383] 0 pages cma reserved
[  312.324358]  ? should_fail+0x22d/0xd01
[  312.329960] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  312.333322]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.333340]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.333357]  ? __lock_acquire+0x62f/0x4c20
[  312.336766] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  312.340582]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.347046] syz-fuzzer cpuset=/ mems_allowed=0
[  312.352320]  ? __lock_acquire+0x62f/0x4c20
[  312.385701]  ? should_fail+0x22d/0xd01
[  312.389588]  ? rcu_irq_exit+0x1a2/0x390
[  312.393584]  ? mark_held_locks+0x130/0x130
[  312.397833]  ? mark_held_locks+0x130/0x130
[  312.402077]  ? mark_held_locks+0xc7/0x130
[  312.406236]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  312.411255]  ? zap_class+0x640/0x640
[  312.414971]  ? print_usage_bug+0xc0/0xc0
[  312.419053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.424683]  ? check_preemption_disabled+0x48/0x280
[  312.429707]  ? __lock_is_held+0xb5/0x140
[  312.433778]  __alloc_pages_nodemask+0xa80/0xde0
[  312.438446]  ? zap_class+0x640/0x640
[  312.442187]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  312.447216]  ? find_held_lock+0x36/0x1c0
[  312.451859]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.456533]  ? lock_downgrade+0x900/0x900
[  312.460687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.466258]  cache_grow_begin+0xa5/0x8c0
[  312.470392]  ? do_raw_spin_unlock+0xa7/0x330
[  312.474842]  fallback_alloc+0x204/0x2e0
[  312.478822]  ____cache_alloc_node+0x1c7/0x1e0
[  312.483319]  kmem_cache_alloc_node+0xe3/0x730
[  312.487812]  ? ipv6_get_ifaddr+0x42e/0x620
[  312.492080]  __alloc_skb+0x119/0x770
[  312.495885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.501166]  ? netdev_alloc_frag+0x1f0/0x1f0
[  312.505574]  ? lock_downgrade+0x900/0x900
[  312.509733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.515268]  ? refcount_sub_and_test_checked+0x203/0x310
[  312.520722]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  312.526199]  ? addrconf_rs_timer+0x690/0x690
[  312.530625]  ndisc_alloc_skb+0x144/0x340
[  312.534689]  ndisc_send_rs+0x331/0x6e0
[  312.538574]  addrconf_rs_timer+0x314/0x690
[  312.542814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.547055]  call_timer_fn+0x272/0x920
[  312.550939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.555180]  ? process_timeout+0x40/0x40
[  312.559246]  ? __run_timers+0x7da/0xc70
[  312.563219]  ? _raw_spin_unlock_irq+0x27/0x80
[  312.567728]  ? _raw_spin_unlock_irq+0x27/0x80
[  312.572236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.576469]  ? lockdep_hardirqs_on+0x296/0x5b0
[  312.581056]  ? trace_hardirqs_on+0xbd/0x310
[  312.585383]  ? kasan_check_read+0x11/0x20
[  312.589537]  ? __run_timers+0x7da/0xc70
[  312.593511]  ? trace_hardirqs_off_caller+0x310/0x310
[  312.598640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.602882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  312.607123]  __run_timers+0x7e5/0xc70
[  312.610937]  ? timer_fixup_init+0x70/0x70
[  312.615098]  ? kasan_check_read+0x11/0x20
[  312.619295]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.624584]  ? rcu_softirq_qs+0x20/0x20
[  312.628590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.634203]  ? check_preemption_disabled+0x48/0x280
[  312.639240]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.643994]  ? retint_kernel+0x2d/0x2d
[  312.647892]  ? trace_hardirqs_on_caller+0xc0/0x310
[  312.652817]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.657570]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  312.663021]  ? zap_class+0x640/0x640
[  312.666737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.672273]  ? check_preemption_disabled+0x48/0x280
[  312.677310]  ? __lock_is_held+0xb5/0x140
[  312.681386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.686938]  ? check_preemption_disabled+0x48/0x280
[  312.692005]  run_timer_softirq+0x52/0xb0
[  312.696097]  ? rcu_read_lock_sched_held+0x14f/0x180
[  312.701146]  __do_softirq+0x308/0xb7e
[  312.704967]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  312.709462]  ? lock_downgrade+0x900/0x900
[  312.713655]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  312.718769]  ? pvclock_read_flags+0x160/0x160
[  312.723291]  ? lapic_next_event+0x5a/0x90
[  312.727505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.733049]  ? kvm_clock_read+0x18/0x30
[  312.737026]  ? kvm_sched_clock_read+0x9/0x20
[  312.741461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.747038]  ? check_preemption_disabled+0x48/0x280
[  312.752079]  irq_exit+0x17f/0x1c0
[  312.755610]  smp_apic_timer_interrupt+0x1cb/0x760
[  312.760475]  ? smp_reschedule_interrupt+0x109/0x650
[  312.765491]  ? smp_call_function_single_interrupt+0x650/0x650
[  312.771391]  ? interrupt_entry+0xb5/0xc0
[  312.775454]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.780466]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.785496]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.790339]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.795392]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.800433]  ? task_prio+0x50/0x50
[  312.803974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.809514]  ? check_preemption_disabled+0x48/0x280
[  312.814551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.819406]  apic_timer_interrupt+0xf/0x20
[  312.823666]  </IRQ>
[  312.825901] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  312.830832] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  312.849750] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  312.857467] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  312.864739] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  312.872008] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  312.879271] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  312.886545] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  312.893864]  skb_clone+0x1bb/0x500
[  312.897420]  ? finish_task_switch+0x1b4/0x910
[  312.901935]  ? skb_split+0x11e0/0x11e0
[  312.906010]  ? preempt_notifier_register+0x200/0x200
[  312.911112]  ? __switch_to_asm+0x34/0x70
[  312.915177]  ? __switch_to_asm+0x34/0x70
[  312.919249]  ? __switch_to_asm+0x40/0x70
[  312.923302]  ? __switch_to_asm+0x34/0x70
[  312.927356]  ? __switch_to_asm+0x40/0x70
[  312.931455]  ? __switch_to_asm+0x34/0x70
[  312.935530]  ? __switch_to_asm+0x40/0x70
[  312.939594]  ? __switch_to_asm+0x34/0x70
[  312.943695]  ? __switch_to_asm+0x34/0x70
[  312.947755]  ? __switch_to_asm+0x40/0x70
[  312.951812]  ? __switch_to_asm+0x34/0x70
[  312.955903]  bpf_clone_redirect+0xb9/0x490
[  312.960138]  ? __schedule+0x8d7/0x21d0
[  312.964063]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  312.969162]  ? __sched_text_start+0x8/0x8
[  312.973315]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  312.977894]  ? retint_kernel+0x2d/0x2d
[  312.981783]  ? trace_hardirqs_on_caller+0xc0/0x310
[  312.986719]  ? find_held_lock+0x36/0x1c0
[  312.990812]  ? lock_acquire+0x1ed/0x520
[  312.994784]  ? bpf_test_run+0x3cb/0x780
[  312.998771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.004309]  ? check_preemption_disabled+0x48/0x280
[  313.009329]  ? kasan_check_read+0x11/0x20
[  313.013485]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.018787]  ? rcu_softirq_qs+0x20/0x20
[  313.022765]  ? preempt_schedule+0x4d/0x60
[  313.026929]  ? ___preempt_schedule+0x16/0x18
[  313.031358]  ? bpf_test_run+0x25d/0x780
[  313.035359]  ? netlink_diag_dump+0x2a0/0x2a0
[  313.039769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.045328]  ? bpf_test_init.isra.10+0x70/0x100
[  313.049998]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  313.054774]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  313.059616]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  313.065149]  ? fput+0x130/0x1a0
[  313.068431]  ? __bpf_prog_get+0x9b/0x290
[  313.072491]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  313.077344]  ? bpf_prog_test_run+0x130/0x1a0
[  313.081768]  ? __x64_sys_bpf+0x3d8/0x520
[  313.085827]  ? bpf_prog_get+0x20/0x20
[  313.089647]  ? do_syscall_64+0x1b9/0x820
[  313.093707]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  313.099080]  ? syscall_return_slowpath+0x5e0/0x5e0
[  313.104016]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.108857]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.113870]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  313.118884]  ? prepare_exit_to_usermode+0x291/0x3b0
[  313.123905]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.128753]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  313.134168] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  313.134253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  313.141110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  313.147696] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.156927] Call Trace:
[  313.167419] syz-executor3 cpuset=syz3 mems_allowed=0
[  313.169988]  <IRQ>
[  313.177232]  dump_stack+0x244/0x39d
[  313.180860]  ? dump_stack_print_info.cold.1+0x20/0x20
[  313.186057]  warn_alloc.cold.116+0xb7/0x1bd
[  313.190383]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.195222]  ? lock_downgrade+0x900/0x900
[  313.199377]  ? trace_hardirqs_off+0xb8/0x310
[  313.203802]  ? trace_hardirqs_off+0xb8/0x310
[  313.208218]  __alloc_pages_slowpath+0x26e8/0x2e10
[  313.213094]  ? warn_alloc+0x120/0x120
[  313.216900]  ? print_usage_bug+0xc0/0xc0
[  313.220960]  ? warn_alloc+0x120/0x120
[  313.224776]  ? warn_alloc+0x120/0x120
[  313.228595]  ? print_usage_bug+0xc0/0xc0
[  313.232657]  ? print_usage_bug+0xc0/0xc0
[  313.236720]  ? __lock_acquire+0x62f/0x4c20
[  313.240971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.246503]  ? should_fail+0x22d/0xd01
[  313.250403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.255534]  ? __lock_acquire+0x62f/0x4c20
[  313.259772]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.264869]  ? __lock_acquire+0x62f/0x4c20
[  313.269112]  ? should_fail+0x22d/0xd01
[  313.273000]  ? find_held_lock+0x36/0x1c0
[  313.277075]  ? mark_held_locks+0x130/0x130
[  313.281330]  ? mark_held_locks+0x130/0x130
[  313.285595]  ? zap_class+0x640/0x640
[  313.289325]  ? zap_class+0x640/0x640
[  313.293047]  ? print_usage_bug+0xc0/0xc0
[  313.297118]  ? do_raw_spin_unlock+0xa7/0x330
[  313.301529]  ? zap_class+0x640/0x640
[  313.305248]  ? print_usage_bug+0xc0/0xc0
[  313.309312]  ? wq_watchdog_touch+0x9c/0xfe
[  313.313553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.319120]  ? check_preemption_disabled+0x48/0x280
[  313.324209]  ? __lock_is_held+0xb5/0x140
[  313.328281]  __alloc_pages_nodemask+0xa80/0xde0
[  313.332954]  ? zap_class+0x640/0x640
[  313.336676]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  313.341706]  ? find_held_lock+0x36/0x1c0
[  313.345783]  ? ____cache_alloc_node+0x1c7/0x1e0
[  313.350468]  ? lock_downgrade+0x900/0x900
[  313.354628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.360173]  cache_grow_begin+0xa5/0x8c0
[  313.364236]  ? do_raw_spin_unlock+0xa7/0x330
[  313.368653]  fallback_alloc+0x204/0x2e0
[  313.372637]  ____cache_alloc_node+0x1c7/0x1e0
[  313.377138]  kmem_cache_alloc_node+0xe3/0x730
[  313.381637]  ? ipv6_get_ifaddr+0x42e/0x620
[  313.385881]  __alloc_skb+0x119/0x770
[  313.389594]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.394905]  ? netdev_alloc_frag+0x1f0/0x1f0
[  313.399314]  ? lock_downgrade+0x900/0x900
[  313.403469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.409021]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.414473]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.419924]  ? addrconf_rs_timer+0x690/0x690
[  313.424343]  ndisc_alloc_skb+0x144/0x340
[  313.428422]  ndisc_send_rs+0x331/0x6e0
[  313.432320]  addrconf_rs_timer+0x314/0x690
[  313.436590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.440839]  call_timer_fn+0x272/0x920
[  313.444754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.448986]  ? process_timeout+0x40/0x40
[  313.453058]  ? mark_held_locks+0xc7/0x130
[  313.457215]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.461707]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.466198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.470434]  ? lockdep_hardirqs_on+0x296/0x5b0
[  313.475016]  ? trace_hardirqs_on+0xbd/0x310
[  313.479347]  ? kasan_check_read+0x11/0x20
[  313.483509]  ? __run_timers+0x7da/0xc70
[  313.487483]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.492589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.496829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.501104]  __run_timers+0x7e5/0xc70
[  313.504915]  ? timer_fixup_init+0x70/0x70
[  313.509064]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  313.514106]  ? zap_class+0x640/0x640
[  313.517824]  ? print_usage_bug+0xc0/0xc0
[  313.521886]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  313.527079]  ? find_held_lock+0x36/0x1c0
[  313.531189]  ? zap_class+0x640/0x640
[  313.534925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.540459]  ? check_preemption_disabled+0x48/0x280
[  313.545549]  ? __lock_is_held+0xb5/0x140
[  313.549623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.555187]  ? check_preemption_disabled+0x48/0x280
[  313.560209]  run_timer_softirq+0x52/0xb0
[  313.564304]  ? rcu_read_lock_sched_held+0x14f/0x180
[  313.569321]  __do_softirq+0x308/0xb7e
[  313.573151]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  313.577646]  ? lock_downgrade+0x900/0x900
[  313.581794]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  313.586905]  ? pvclock_read_flags+0x160/0x160
[  313.591411]  ? lapic_next_event+0x5a/0x90
[  313.595557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.601107]  ? kvm_clock_read+0x18/0x30
[  313.605080]  ? kvm_sched_clock_read+0x9/0x20
[  313.609497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.615032]  ? check_preemption_disabled+0x48/0x280
[  313.620053]  irq_exit+0x17f/0x1c0
[  313.623512]  smp_apic_timer_interrupt+0x1cb/0x760
[  313.628352]  ? smp_reschedule_interrupt+0x109/0x650
[  313.633390]  ? smp_call_function_single_interrupt+0x650/0x650
[  313.639270]  ? interrupt_entry+0xb5/0xc0
[  313.643326]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.648364]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.653380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.658219]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.663229]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.668264]  ? task_prio+0x50/0x50
[  313.671816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.677351]  ? check_preemption_disabled+0x48/0x280
[  313.682386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.687250]  apic_timer_interrupt+0xf/0x20
[  313.691477]  </IRQ>
[  313.693716] RIP: 0010:dump_stack+0x358/0x39d
[  313.698149] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  313.717044] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  313.724749] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  313.732015] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  313.739291] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  313.746557] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  313.753819] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  313.761128]  ? dump_stack+0x34f/0x39d
[  313.764939]  ? dump_stack_print_info.cold.1+0x20/0x20
[  313.770138]  ? mark_held_locks+0x130/0x130
[  313.774368]  ? mark_held_locks+0x130/0x130
[  313.778604]  dump_header+0x27b/0xf72
[  313.782344]  ? pagefault_out_of_memory+0x197/0x197
[  313.787300]  ? __lock_acquire+0x62f/0x4c20
[  313.791579]  ? percpu_ref_get_many+0x240/0x240
[  313.796190]  ? print_usage_bug+0xc0/0xc0
[  313.800274]  ? zap_class+0x640/0x640
[  313.803990]  ? print_usage_bug+0xc0/0xc0
[  313.808047]  ? print_usage_bug+0xc0/0xc0
[  313.812117]  ? zap_class+0x640/0x640
[  313.815832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.821371]  ? find_held_lock+0x36/0x1c0
[  313.825441]  ? mark_held_locks+0xc7/0x130
[  313.829609]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  313.834711]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  313.839812]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  313.844393]  ? trace_hardirqs_on+0xbd/0x310
[  313.848731]  ? kasan_check_read+0x11/0x20
[  313.852887]  ? ___ratelimit+0x3b4/0x672
[  313.856877]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.861993]  ? trace_hardirqs_on+0x310/0x310
[  313.866403]  ? lock_downgrade+0x900/0x900
[  313.870555]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  313.875660]  ? ___ratelimit+0x3b9/0x672
[  313.879639]  ? idr_get_free+0xf70/0xf70
[  313.883610]  ? find_held_lock+0x36/0x1c0
[  313.887681]  oom_kill_process.cold.27+0x10/0x903
[  313.892434]  ? zap_class+0x640/0x640
[  313.896167]  ? check_preemption_disabled+0x48/0x280
[  313.901201]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  313.906144]  ? kasan_check_read+0x11/0x20
[  313.910294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.915569]  ? oom_evaluate_task+0x540/0x540
[  313.919984]  ? find_held_lock+0x36/0x1c0
[  313.924049]  ? out_of_memory+0x974/0x1430
[  313.928198]  ? lock_downgrade+0x900/0x900
[  313.932346]  ? check_preemption_disabled+0x48/0x280
[  313.937382]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  313.942338]  ? kasan_check_read+0x11/0x20
[  313.946485]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.951763]  ? rcu_softirq_qs+0x20/0x20
[  313.955741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.961279]  ? oom_evaluate_task+0x302/0x540
[  313.965691]  out_of_memory+0xa84/0x1430
[  313.969683]  ? oom_killer_disable+0x3a0/0x3a0
[  313.974179]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  313.979124]  ? __ww_mutex_check_waiters+0x160/0x160
[  313.984166]  __alloc_pages_slowpath+0x2354/0x2e10
[  313.989049]  ? warn_alloc+0x120/0x120
[  313.992848]  ? mark_held_locks+0x130/0x130
[  313.997095]  ? find_get_entry+0xaae/0x1120
[  314.001346]  ? filemap_map_pages+0x1a20/0x1a20
[  314.005942]  ? zap_class+0x640/0x640
[  314.009659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.015198]  ? check_preemption_disabled+0x48/0x280
[  314.020229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.025792]  ? should_fail+0x22d/0xd01
[  314.029684]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.034801]  ? zap_class+0x640/0x640
[  314.038536]  ? __lock_is_held+0xb5/0x140
[  314.042603]  ? mark_held_locks+0x130/0x130
[  314.046835]  ? lock_release+0xa00/0xa00
[  314.050806]  ? perf_trace_sched_process_exec+0x860/0x860
[  314.056268]  ? xa_load+0x2ba/0x460
[  314.059820]  ? lock_downgrade+0x900/0x900
[  314.063971]  ? __might_sleep+0x95/0x190
[  314.067965]  __alloc_pages_nodemask+0xa80/0xde0
[  314.072635]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  314.077649]  ? __page_cache_alloc+0x191/0x5c0
[  314.082141]  ? xa_load+0x2e1/0x460
[  314.085679]  ? xa_clear_mark+0x40/0x40
[  314.089562]  ? zap_class+0x640/0x640
[  314.093277]  ? zap_class+0x640/0x640
[  314.097008]  ? zap_class+0x640/0x640
[  314.100720]  ? __do_page_cache_readahead+0x663/0x810
[  314.105824]  ? find_held_lock+0x36/0x1c0
[  314.109889]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  314.115429]  alloc_pages_current+0x173/0x350
[  314.119840]  __page_cache_alloc+0x38c/0x5c0
[  314.124158]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.129137]  ? kasan_check_read+0x11/0x20
[  314.133294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.138573]  ? generic_perform_write+0x6a0/0x6a0
[  314.143331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.148869]  ? check_preemption_disabled+0x48/0x280
[  314.153886]  filemap_fault+0x1595/0x25f0
[  314.157957]  ? __lock_page_or_retry+0xa00/0xa00
[  314.162651]  ? mark_held_locks+0x130/0x130
[  314.166905]  ? filemap_map_pages+0xd6b/0x1a20
[  314.171408]  ? lock_downgrade+0x900/0x900
[  314.175553]  ? check_preemption_disabled+0x48/0x280
[  314.180567]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.185488]  ? kasan_check_read+0x11/0x20
[  314.189634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.194908]  ? rcu_softirq_qs+0x20/0x20
[  314.198910]  ? filemap_map_pages+0xd92/0x1a20
[  314.203417]  ? find_get_entries_tag+0x1400/0x1400
[  314.208259]  ? debug_object_destroy+0x2b0/0x2b0
[  314.212944]  ? lock_pi_update_atomic+0x150/0x150
[  314.217713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.223258]  ? lock_acquire+0x1ed/0x520
[  314.227231]  ? ext4_filemap_fault+0x7a/0xad
[  314.231562]  ? lock_release+0xa00/0xa00
[  314.235536]  ? perf_trace_sched_process_exec+0x860/0x860
[  314.240991]  ? print_usage_bug+0xc0/0xc0
[  314.245055]  ? print_usage_bug+0xc0/0xc0
[  314.249150]  ? down_read+0x8d/0x120
[  314.252775]  ? ext4_filemap_fault+0x7a/0xad
[  314.257110]  ? __down_interruptible+0x700/0x700
[  314.261792]  ext4_filemap_fault+0x82/0xad
[  314.265943]  __do_fault+0x100/0x6b0
[  314.269605]  ? pmd_devmap_trans_unstable+0x220/0x220
[  314.274743]  ? mark_held_locks+0x130/0x130
[  314.278991]  ? mark_held_locks+0x130/0x130
[  314.283276]  ? debug_smp_processor_id+0x1c/0x20
[  314.287946]  ? perf_trace_lock+0x14d/0x7a0
[  314.292211]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  314.297840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.303386]  __handle_mm_fault+0x3ea0/0x5be0
[  314.307807]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  314.312651]  ? lock_is_held_type+0x210/0x210
[  314.317509]  ? file_remove_privs+0x540/0x540
[  314.321935]  ? zap_class+0x640/0x640
[  314.325647]  ? zap_class+0x640/0x640
[  314.329363]  ? __x64_sys_futex+0x53e/0x6a0
[  314.333615]  ? find_held_lock+0x36/0x1c0
[  314.337686]  ? handle_mm_fault+0x42a/0xc70
[  314.341928]  ? lock_downgrade+0x900/0x900
[  314.346075]  ? check_preemption_disabled+0x48/0x280
[  314.351129]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.356130]  ? kasan_check_read+0x11/0x20
[  314.360297]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.365572]  ? rcu_softirq_qs+0x20/0x20
[  314.369546]  ? trace_hardirqs_off_caller+0x310/0x310
[  314.374651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.380194]  ? check_preemption_disabled+0x48/0x280
[  314.385220]  handle_mm_fault+0x54f/0xc70
[  314.389320]  ? __handle_mm_fault+0x5be0/0x5be0
[  314.393912]  ? find_vma+0x34/0x190
[  314.397464]  __do_page_fault+0x5e8/0xe60
[  314.402455]  ? trace_hardirqs_off+0xb8/0x310
[  314.406873]  do_page_fault+0xf2/0x7e0
[  314.410676]  ? vmalloc_sync_all+0x30/0x30
[  314.414845]  ? error_entry+0x70/0xd0
[  314.418578]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.423601]  ? trace_hardirqs_on_caller+0xc0/0x310
[  314.428532]  ? syscall_return_slowpath+0x5e0/0x5e0
[  314.433454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.438316]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.443334]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.448790]  ? prepare_exit_to_usermode+0x291/0x3b0
[  314.453832]  ? page_fault+0x8/0x30
[  314.457376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.462248]  ? page_fault+0x8/0x30
[  314.465790]  page_fault+0x1e/0x30
[  314.469361] RIP: 0033:0x40f9c0
[  314.472585] Code: Bad RIP value.
[  314.475969] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  314.481343] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  314.488652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  314.495912] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  314.503205] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  314.510469] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  314.517762] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  314.517768] warn_alloc_show_mem: 1 callbacks suppressed
[  314.517775] Mem-Info:
[  314.524958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  314.530338] active_anon:50082 inactive_anon:201 isolated_anon:0
[  314.530338]  active_file:11 inactive_file:13 isolated_file:0
[  314.530338]  unevictable:0 dirty:0 writeback:0 unstable:0
[  314.530338]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  314.530338]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  314.530338]  free:13738 free_pcp:300 free_cma:0
[  314.532706] Call Trace:
[  314.542146] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  314.574991]  <IRQ>
[  314.577582] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  314.605093]  dump_stack+0x244/0x39d
[  314.607223] lowmem_reserve[]: 0 2818 6321 6321
[  314.633327]  ? dump_stack_print_info.cold.1+0x20/0x20
[  314.636925] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  314.641525]  warn_alloc.cold.116+0xb7/0x1bd
[  314.646682] lowmem_reserve[]: 0 0 3503 3503
[  314.674260]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  314.678552] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  314.682873]  ? lock_downgrade+0x900/0x900
[  314.687686] lowmem_reserve[]: 0 0 0 0
[  314.716568]  ? trace_hardirqs_off+0xb8/0x310
[  314.720689] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  314.724481]  ? trace_hardirqs_off+0xb8/0x310
[  314.728862] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  314.742416]  __alloc_pages_slowpath+0x26e8/0x2e10
[  314.746798] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  314.761896]  ? warn_alloc+0x120/0x120
[  314.766700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  314.781252]  ? print_usage_bug+0xc0/0xc0
[  314.785030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  314.793893]  ? warn_alloc+0x120/0x120
[  314.797929] 268 total pagecache pages
[  314.806495]  ? warn_alloc+0x120/0x120
[  314.810277] 0 pages in swap cache
[  314.814059]  ? print_usage_bug+0xc0/0xc0
[  314.817835] Swap cache stats: add 0, delete 0, find 0/0
[  314.821273]  ? kvm_clock_read+0x18/0x30
[  314.825309] Free swap  = 0kB
[  314.830665]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  314.834605] Total swap = 0kB
[  314.834613] 1965979 pages RAM
[  314.837625]  ? print_usage_bug+0xc0/0xc0
[  314.842635] 0 pages HighMem/MovableOnly
[  314.845647]  ? __lock_acquire+0x62f/0x4c20
[  314.848745] 342853 pages reserved
[  314.852797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.856742] 0 pages cma reserved
[  314.860967]  ? should_fail+0x22d/0xd01
[  314.864467] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  314.869920]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.869938]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.873380] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  314.877171]  ? __lock_acquire+0x62f/0x4c20
[  314.883660] syz-fuzzer cpuset=/ mems_allowed=0
[  314.888936]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.918100]  ? __lock_acquire+0x62f/0x4c20
[  314.922342]  ? should_fail+0x22d/0xd01
[  314.926228]  ? rcu_irq_exit+0x1a2/0x390
[  314.930223]  ? mark_held_locks+0x130/0x130
[  314.934477]  ? mark_held_locks+0x130/0x130
[  314.938733]  ? mark_held_locks+0xc7/0x130
[  314.942882]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  314.947900]  ? zap_class+0x640/0x640
[  314.951620]  ? print_usage_bug+0xc0/0xc0
[  314.955700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.961242]  ? check_preemption_disabled+0x48/0x280
[  314.966266]  ? __lock_is_held+0xb5/0x140
[  314.970357]  __alloc_pages_nodemask+0xa80/0xde0
[  314.975023]  ? zap_class+0x640/0x640
[  314.978770]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  314.983811]  ? find_held_lock+0x36/0x1c0
[  314.987889]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.992556]  ? lock_downgrade+0x900/0x900
[  314.996710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.002261]  cache_grow_begin+0xa5/0x8c0
[  315.006334]  ? do_raw_spin_unlock+0xa7/0x330
[  315.010749]  fallback_alloc+0x204/0x2e0
[  315.014728]  ____cache_alloc_node+0x1c7/0x1e0
[  315.019229]  kmem_cache_alloc_node+0xe3/0x730
[  315.023734]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.028008]  __alloc_skb+0x119/0x770
[  315.031722]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.037003]  ? netdev_alloc_frag+0x1f0/0x1f0
[  315.041408]  ? lock_downgrade+0x900/0x900
[  315.045563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.051102]  ? refcount_sub_and_test_checked+0x203/0x310
[  315.056571]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  315.062021]  ? addrconf_rs_timer+0x690/0x690
[  315.066437]  ndisc_alloc_skb+0x144/0x340
[  315.070505]  ndisc_send_rs+0x331/0x6e0
[  315.074428]  addrconf_rs_timer+0x314/0x690
[  315.078669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.082922]  call_timer_fn+0x272/0x920
[  315.086827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.091059]  ? process_timeout+0x40/0x40
[  315.095129]  ? __run_timers+0x7da/0xc70
[  315.099114]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.103618]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.108151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.112395]  ? lockdep_hardirqs_on+0x296/0x5b0
[  315.116978]  ? trace_hardirqs_on+0xbd/0x310
[  315.121317]  ? kasan_check_read+0x11/0x20
[  315.125484]  ? __run_timers+0x7da/0xc70
[  315.129476]  ? trace_hardirqs_off_caller+0x310/0x310
[  315.134584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.138825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.143056]  __run_timers+0x7e5/0xc70
[  315.146873]  ? timer_fixup_init+0x70/0x70
[  315.151038]  ? kasan_check_read+0x11/0x20
[  315.155204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.160499]  ? rcu_softirq_qs+0x20/0x20
[  315.164478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.170013]  ? check_preemption_disabled+0x48/0x280
[  315.175058]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.179837]  ? retint_kernel+0x2d/0x2d
[  315.183722]  ? trace_hardirqs_on_caller+0xc0/0x310
[  315.188649]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.193405]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.198858]  ? zap_class+0x640/0x640
[  315.202587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.208128]  ? check_preemption_disabled+0x48/0x280
[  315.213153]  ? __lock_is_held+0xb5/0x140
[  315.217216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.222755]  ? check_preemption_disabled+0x48/0x280
[  315.227777]  run_timer_softirq+0x52/0xb0
[  315.231839]  ? rcu_read_lock_sched_held+0x14f/0x180
[  315.236865]  __do_softirq+0x308/0xb7e
[  315.240668]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  315.245165]  ? lock_downgrade+0x900/0x900
[  315.249315]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  315.254458]  ? pvclock_read_flags+0x160/0x160
[  315.258958]  ? lapic_next_event+0x5a/0x90
[  315.263127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.268666]  ? kvm_clock_read+0x18/0x30
[  315.272636]  ? kvm_sched_clock_read+0x9/0x20
[  315.277041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.282575]  ? check_preemption_disabled+0x48/0x280
[  315.287621]  irq_exit+0x17f/0x1c0
[  315.291071]  smp_apic_timer_interrupt+0x1cb/0x760
[  315.295920]  ? smp_reschedule_interrupt+0x109/0x650
[  315.300949]  ? smp_call_function_single_interrupt+0x650/0x650
[  315.306845]  ? interrupt_entry+0xb5/0xc0
[  315.310904]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.315920]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.320961]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.325807]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.330823]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.335837]  ? task_prio+0x50/0x50
[  315.339379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.344914]  ? check_preemption_disabled+0x48/0x280
[  315.349930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.354776]  apic_timer_interrupt+0xf/0x20
[  315.359002]  </IRQ>
[  315.361243] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  315.366189] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  315.385116] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  315.392874] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  315.400158] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  315.407441] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  315.414705] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  315.421965] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  315.429274]  skb_clone+0x1bb/0x500
[  315.432811]  ? finish_task_switch+0x1b4/0x910
[  315.437303]  ? skb_split+0x11e0/0x11e0
[  315.441205]  ? preempt_notifier_register+0x200/0x200
[  315.446334]  ? __switch_to_asm+0x34/0x70
[  315.450387]  ? __switch_to_asm+0x34/0x70
[  315.454438]  ? __switch_to_asm+0x40/0x70
[  315.458492]  ? __switch_to_asm+0x34/0x70
[  315.462573]  ? __switch_to_asm+0x40/0x70
[  315.466644]  ? __switch_to_asm+0x34/0x70
[  315.470717]  ? __switch_to_asm+0x40/0x70
[  315.474773]  ? __switch_to_asm+0x34/0x70
[  315.478827]  ? __switch_to_asm+0x34/0x70
[  315.482889]  ? __switch_to_asm+0x40/0x70
[  315.486949]  ? __switch_to_asm+0x34/0x70
[  315.491023]  bpf_clone_redirect+0xb9/0x490
[  315.495272]  ? __schedule+0x8d7/0x21d0
[  315.499161]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  315.504190]  ? __sched_text_start+0x8/0x8
[  315.508365]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  315.512961]  ? retint_kernel+0x2d/0x2d
[  315.516843]  ? trace_hardirqs_on_caller+0xc0/0x310
[  315.521771]  ? find_held_lock+0x36/0x1c0
[  315.525837]  ? lock_acquire+0x1ed/0x520
[  315.529808]  ? bpf_test_run+0x3cb/0x780
[  315.533780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.539312]  ? check_preemption_disabled+0x48/0x280
[  315.544328]  ? kasan_check_read+0x11/0x20
[  315.548491]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.553758]  ? rcu_softirq_qs+0x20/0x20
[  315.557740]  ? preempt_schedule+0x4d/0x60
[  315.561883]  ? ___preempt_schedule+0x16/0x18
[  315.566290]  ? bpf_test_run+0x25d/0x780
[  315.570284]  ? netlink_diag_dump+0x2a0/0x2a0
[  315.574691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.580236]  ? bpf_test_init.isra.10+0x70/0x100
[  315.584904]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  315.589661]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  315.594528]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  315.600063]  ? fput+0x130/0x1a0
[  315.603425]  ? __bpf_prog_get+0x9b/0x290
[  315.607504]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  315.612371]  ? bpf_prog_test_run+0x130/0x1a0
[  315.616897]  ? __x64_sys_bpf+0x3d8/0x520
[  315.620951]  ? bpf_prog_get+0x20/0x20
[  315.624776]  ? do_syscall_64+0x1b9/0x820
[  315.628835]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  315.634209]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.639135]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.643972]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.648987]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  315.653999]  ? prepare_exit_to_usermode+0x291/0x3b0
[  315.659015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.663858]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  315.669234] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  315.669317] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  315.676160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.676165] Call Trace:
[  315.676172]  <IRQ>
[  315.676190]  dump_stack+0x244/0x39d
[  315.676206]  ? dump_stack_print_info.cold.1+0x20/0x20
[  315.682797] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  315.692027]  warn_alloc.cold.116+0xb7/0x1bd
[  315.694577] syz-executor3 cpuset=syz3 mems_allowed=0
[  315.696715]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.730183]  ? lock_downgrade+0x900/0x900
[  315.734349]  ? trace_hardirqs_off+0xb8/0x310
[  315.738767]  ? trace_hardirqs_off+0xb8/0x310
[  315.743178]  __alloc_pages_slowpath+0x26e8/0x2e10
[  315.748047]  ? warn_alloc+0x120/0x120
[  315.751853]  ? print_usage_bug+0xc0/0xc0
[  315.755928]  ? warn_alloc+0x120/0x120
[  315.759775]  ? warn_alloc+0x120/0x120
[  315.763595]  ? print_usage_bug+0xc0/0xc0
[  315.767659]  ? kvm_clock_read+0x18/0x30
[  315.771634]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  315.776653]  ? print_usage_bug+0xc0/0xc0
[  315.780717]  ? __lock_acquire+0x62f/0x4c20
[  315.784963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.790502]  ? should_fail+0x22d/0xd01
[  315.794402]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.799691]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.804795]  ? __lock_acquire+0x62f/0x4c20
[  315.809034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.814145]  ? __lock_acquire+0x62f/0x4c20
[  315.818376]  ? should_fail+0x22d/0xd01
[  315.822265]  ? rcu_irq_exit+0x1a2/0x390
[  315.826248]  ? mark_held_locks+0x130/0x130
[  315.830545]  ? mark_held_locks+0x130/0x130
[  315.834784]  ? mark_held_locks+0xc7/0x130
[  315.838938]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  315.843967]  ? zap_class+0x640/0x640
[  315.847698]  ? print_usage_bug+0xc0/0xc0
[  315.851766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.857302]  ? check_preemption_disabled+0x48/0x280
[  315.862329]  ? __lock_is_held+0xb5/0x140
[  315.866416]  __alloc_pages_nodemask+0xa80/0xde0
[  315.871113]  ? zap_class+0x640/0x640
[  315.874847]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  315.879893]  ? find_held_lock+0x36/0x1c0
[  315.883983]  ? ____cache_alloc_node+0x1c7/0x1e0
[  315.888652]  ? lock_downgrade+0x900/0x900
[  315.892804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.898349]  cache_grow_begin+0xa5/0x8c0
[  315.902410]  ? do_raw_spin_unlock+0xa7/0x330
[  315.906847]  fallback_alloc+0x204/0x2e0
[  315.910831]  ____cache_alloc_node+0x1c7/0x1e0
[  315.915337]  kmem_cache_alloc_node+0xe3/0x730
[  315.919839]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.924096]  __alloc_skb+0x119/0x770
[  315.927829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.933142]  ? netdev_alloc_frag+0x1f0/0x1f0
[  315.937558]  ? lock_downgrade+0x900/0x900
[  315.941730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.947270]  ? refcount_sub_and_test_checked+0x203/0x310
[  315.952728]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  315.958195]  ? addrconf_rs_timer+0x690/0x690
[  315.962645]  ndisc_alloc_skb+0x144/0x340
[  315.966712]  ndisc_send_rs+0x331/0x6e0
[  315.970643]  addrconf_rs_timer+0x314/0x690
[  315.974888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.979143]  call_timer_fn+0x272/0x920
[  315.983033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.987270]  ? process_timeout+0x40/0x40
[  315.991355]  ? mark_held_locks+0xc7/0x130
[  315.995595]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.000164]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.004678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.008912]  ? lockdep_hardirqs_on+0x296/0x5b0
[  316.013501]  ? trace_hardirqs_on+0xbd/0x310
[  316.017823]  ? kasan_check_read+0x11/0x20
[  316.021970]  ? __run_timers+0x7da/0xc70
[  316.025945]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.031050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.035337]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.039569]  __run_timers+0x7e5/0xc70
[  316.043374]  ? timer_fixup_init+0x70/0x70
[  316.047517]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  316.052526]  ? zap_class+0x640/0x640
[  316.056254]  ? print_usage_bug+0xc0/0xc0
[  316.060325]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  316.065575]  ? find_held_lock+0x36/0x1c0
[  316.069635]  ? zap_class+0x640/0x640
[  316.073381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.078914]  ? check_preemption_disabled+0x48/0x280
[  316.083965]  ? __lock_is_held+0xb5/0x140
[  316.088023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.093555]  ? check_preemption_disabled+0x48/0x280
[  316.098586]  run_timer_softirq+0x52/0xb0
[  316.102642]  ? rcu_read_lock_sched_held+0x14f/0x180
[  316.107678]  __do_softirq+0x308/0xb7e
[  316.111494]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  316.116003]  ? lock_downgrade+0x900/0x900
[  316.120148]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  316.125384]  ? pvclock_read_flags+0x160/0x160
[  316.129907]  ? lapic_next_event+0x5a/0x90
[  316.134052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.139602]  ? kvm_clock_read+0x18/0x30
[  316.143570]  ? kvm_sched_clock_read+0x9/0x20
[  316.147989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.153518]  ? check_preemption_disabled+0x48/0x280
[  316.158550]  irq_exit+0x17f/0x1c0
[  316.162013]  smp_apic_timer_interrupt+0x1cb/0x760
[  316.166847]  ? smp_reschedule_interrupt+0x109/0x650
[  316.171948]  ? smp_call_function_single_interrupt+0x650/0x650
[  316.177882]  ? interrupt_entry+0xb5/0xc0
[  316.181941]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.186952]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.191964]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.196807]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.201833]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.206893]  ? task_prio+0x50/0x50
[  316.210433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.215964]  ? check_preemption_disabled+0x48/0x280
[  316.220978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.225829]  apic_timer_interrupt+0xf/0x20
[  316.230056]  </IRQ>
[  316.232316] RIP: 0010:dump_stack+0x358/0x39d
[  316.236723] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  316.255648] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  316.263366] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  316.270632] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  316.277911] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  316.285175] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  316.292447] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  316.299730]  ? dump_stack+0x34f/0x39d
[  316.303547]  ? dump_stack_print_info.cold.1+0x20/0x20
[  316.308741]  ? mark_held_locks+0x130/0x130
[  316.312973]  ? mark_held_locks+0x130/0x130
[  316.317708]  dump_header+0x27b/0xf72
[  316.321431]  ? pagefault_out_of_memory+0x197/0x197
[  316.326423]  ? __lock_acquire+0x62f/0x4c20
[  316.330672]  ? percpu_ref_get_many+0x240/0x240
[  316.335256]  ? print_usage_bug+0xc0/0xc0
[  316.339318]  ? zap_class+0x640/0x640
[  316.343026]  ? print_usage_bug+0xc0/0xc0
[  316.347081]  ? print_usage_bug+0xc0/0xc0
[  316.351180]  ? zap_class+0x640/0x640
[  316.354896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.360434]  ? find_held_lock+0x36/0x1c0
[  316.364500]  ? mark_held_locks+0xc7/0x130
[  316.368642]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  316.373742]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  316.378847]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  316.383430]  ? trace_hardirqs_on+0xbd/0x310
[  316.387749]  ? kasan_check_read+0x11/0x20
[  316.391907]  ? ___ratelimit+0x3b4/0x672
[  316.395878]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.400978]  ? trace_hardirqs_on+0x310/0x310
[  316.405418]  ? lock_downgrade+0x900/0x900
[  316.409580]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  316.414680]  ? ___ratelimit+0x3b9/0x672
[  316.418656]  ? idr_get_free+0xf70/0xf70
[  316.422622]  ? find_held_lock+0x36/0x1c0
[  316.426686]  oom_kill_process.cold.27+0x10/0x903
[  316.431440]  ? zap_class+0x640/0x640
[  316.435170]  ? check_preemption_disabled+0x48/0x280
[  316.440223]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  316.445180]  ? kasan_check_read+0x11/0x20
[  316.449434]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.454715]  ? oom_evaluate_task+0x540/0x540
[  316.459131]  ? find_held_lock+0x36/0x1c0
[  316.463203]  ? out_of_memory+0x974/0x1430
[  316.467356]  ? lock_downgrade+0x900/0x900
[  316.471505]  ? check_preemption_disabled+0x48/0x280
[  316.476524]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  316.481454]  ? kasan_check_read+0x11/0x20
[  316.485600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.490878]  ? rcu_softirq_qs+0x20/0x20
[  316.494858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.500412]  ? oom_evaluate_task+0x302/0x540
[  316.504822]  out_of_memory+0xa84/0x1430
[  316.508803]  ? oom_killer_disable+0x3a0/0x3a0
[  316.513297]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  316.518250]  ? __ww_mutex_check_waiters+0x160/0x160
[  316.523277]  __alloc_pages_slowpath+0x2354/0x2e10
[  316.528195]  ? warn_alloc+0x120/0x120
[  316.531993]  ? mark_held_locks+0x130/0x130
[  316.536234]  ? find_get_entry+0xaae/0x1120
[  316.540492]  ? filemap_map_pages+0x1a20/0x1a20
[  316.545077]  ? zap_class+0x640/0x640
[  316.548800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.554346]  ? check_preemption_disabled+0x48/0x280
[  316.559401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.564935]  ? should_fail+0x22d/0xd01
[  316.568820]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.573919]  ? zap_class+0x640/0x640
[  316.577650]  ? __lock_is_held+0xb5/0x140
[  316.581714]  ? mark_held_locks+0x130/0x130
[  316.585950]  ? lock_release+0xa00/0xa00
[  316.589921]  ? perf_trace_sched_process_exec+0x860/0x860
[  316.595389]  ? xa_load+0x2ba/0x460
[  316.598934]  ? lock_downgrade+0x900/0x900
[  316.603080]  ? __might_sleep+0x95/0x190
[  316.607068]  __alloc_pages_nodemask+0xa80/0xde0
[  316.611766]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  316.616779]  ? __page_cache_alloc+0x191/0x5c0
[  316.621274]  ? xa_load+0x2e1/0x460
[  316.624815]  ? xa_clear_mark+0x40/0x40
[  316.628707]  ? zap_class+0x640/0x640
[  316.632431]  ? zap_class+0x640/0x640
[  316.636150]  ? zap_class+0x640/0x640
[  316.639883]  ? __do_page_cache_readahead+0x663/0x810
[  316.644996]  ? find_held_lock+0x36/0x1c0
[  316.649073]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  316.654622]  alloc_pages_current+0x173/0x350
[  316.659054]  __page_cache_alloc+0x38c/0x5c0
[  316.663372]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  316.668315]  ? kasan_check_read+0x11/0x20
[  316.672467]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.677845]  ? generic_perform_write+0x6a0/0x6a0
[  316.682613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.688168]  ? check_preemption_disabled+0x48/0x280
[  316.693212]  filemap_fault+0x1595/0x25f0
[  316.697325]  ? __lock_page_or_retry+0xa00/0xa00
[  316.701994]  ? mark_held_locks+0x130/0x130
[  316.706251]  ? filemap_map_pages+0xd6b/0x1a20
[  316.710752]  ? lock_downgrade+0x900/0x900
[  316.714897]  ? check_preemption_disabled+0x48/0x280
[  316.719942]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  316.724868]  ? kasan_check_read+0x11/0x20
[  316.729042]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.734321]  ? rcu_softirq_qs+0x20/0x20
[  316.738307]  ? filemap_map_pages+0xd92/0x1a20
[  316.742817]  ? find_get_entries_tag+0x1400/0x1400
[  316.747693]  ? debug_object_destroy+0x2b0/0x2b0
[  316.752371]  ? lock_pi_update_atomic+0x150/0x150
[  316.757135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.762703]  ? lock_acquire+0x1ed/0x520
[  316.766762]  ? ext4_filemap_fault+0x7a/0xad
[  316.771119]  ? lock_release+0xa00/0xa00
[  316.775120]  ? perf_trace_sched_process_exec+0x860/0x860
[  316.780608]  ? print_usage_bug+0xc0/0xc0
[  316.784670]  ? print_usage_bug+0xc0/0xc0
[  316.788780]  ? down_read+0x8d/0x120
[  316.792435]  ? ext4_filemap_fault+0x7a/0xad
[  316.796779]  ? __down_interruptible+0x700/0x700
[  316.801456]  ext4_filemap_fault+0x82/0xad
[  316.805606]  __do_fault+0x100/0x6b0
[  316.809242]  ? pmd_devmap_trans_unstable+0x220/0x220
[  316.814363]  ? mark_held_locks+0x130/0x130
[  316.818600]  ? mark_held_locks+0x130/0x130
[  316.822837]  ? debug_smp_processor_id+0x1c/0x20
[  316.827532]  ? perf_trace_lock+0x14d/0x7a0
[  316.831762]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  316.837391]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.842929]  __handle_mm_fault+0x3ea0/0x5be0
[  316.847388]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  316.852232]  ? lock_is_held_type+0x210/0x210
[  316.856675]  ? file_remove_privs+0x540/0x540
[  316.861109]  ? zap_class+0x640/0x640
[  316.864830]  ? zap_class+0x640/0x640
[  316.868545]  ? __x64_sys_futex+0x53e/0x6a0
[  316.872789]  ? find_held_lock+0x36/0x1c0
[  316.876860]  ? handle_mm_fault+0x42a/0xc70
[  316.881131]  ? lock_downgrade+0x900/0x900
[  316.885285]  ? check_preemption_disabled+0x48/0x280
[  316.890307]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  316.895236]  ? kasan_check_read+0x11/0x20
[  316.899382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.904657]  ? rcu_softirq_qs+0x20/0x20
[  316.908632]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.913739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.919288]  ? check_preemption_disabled+0x48/0x280
[  316.924342]  handle_mm_fault+0x54f/0xc70
[  316.928431]  ? __handle_mm_fault+0x5be0/0x5be0
[  316.933019]  ? find_vma+0x34/0x190
[  316.936573]  __do_page_fault+0x5e8/0xe60
[  316.940632]  ? trace_hardirqs_off+0xb8/0x310
[  316.945067]  do_page_fault+0xf2/0x7e0
[  316.948900]  ? vmalloc_sync_all+0x30/0x30
[  316.953069]  ? error_entry+0x70/0xd0
[  316.956792]  ? trace_hardirqs_off_caller+0xbb/0x310
[  316.961807]  ? trace_hardirqs_on_caller+0xc0/0x310
[  316.966735]  ? syscall_return_slowpath+0x5e0/0x5e0
[  316.971662]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.976518]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.981555]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  316.987027]  ? prepare_exit_to_usermode+0x291/0x3b0
[  316.992042]  ? page_fault+0x8/0x30
[  316.995581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.000475]  ? page_fault+0x8/0x30
[  317.004058]  page_fault+0x1e/0x30
[  317.007521] RIP: 0033:0x40f9c0
[  317.010721] Code: Bad RIP value.
[  317.014133] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  317.019502] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  317.026798] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  317.034064] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  317.041354] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  317.048623] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  317.055909] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  317.055914] warn_alloc_show_mem: 1 callbacks suppressed
[  317.055920] Mem-Info:
[  317.063120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  317.068488] active_anon:50082 inactive_anon:201 isolated_anon:0
[  317.068488]  active_file:11 inactive_file:13 isolated_file:0
[  317.068488]  unevictable:0 dirty:0 writeback:0 unstable:0
[  317.068488]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  317.068488]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  317.068488]  free:13738 free_pcp:300 free_cma:0
[  317.070860] Call Trace:
[  317.080244] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  317.113110]  <IRQ>
[  317.115691] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  317.143215]  dump_stack+0x244/0x39d
[  317.145379] lowmem_reserve[]: 0 2818 6321 6321
[  317.171496]  ? dump_stack_print_info.cold.1+0x20/0x20
[  317.175106] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  317.179696]  warn_alloc.cold.116+0xb7/0x1bd
[  317.184868] lowmem_reserve[]: 0 0 3503 3503
[  317.212444]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  317.216774] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  317.221086]  ? lock_downgrade+0x900/0x900
[  317.225912] lowmem_reserve[]: 0 0 0 0
[  317.254806]  ? trace_hardirqs_off+0xb8/0x310
[  317.258934] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  317.262726]  ? trace_hardirqs_off+0xb8/0x310
[  317.267115] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  317.280647]  __alloc_pages_slowpath+0x26e8/0x2e10
[  317.285039] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  317.300141]  ? warn_alloc+0x120/0x120
[  317.304944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  317.319515]  ? print_usage_bug+0xc0/0xc0
[  317.323302] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  317.332135]  ? warn_alloc+0x120/0x120
[  317.336185] 268 total pagecache pages
[  317.344746]  ? warn_alloc+0x120/0x120
[  317.348535] 0 pages in swap cache
[  317.352318]  ? print_usage_bug+0xc0/0xc0
[  317.356135] Swap cache stats: add 0, delete 0, find 0/0
[  317.359577]  ? print_usage_bug+0xc0/0xc0
[  317.363616] Free swap  = 0kB
[  317.368971]  ? __lock_acquire+0x62f/0x4c20
[  317.373107] Total swap = 0kB
[  317.376150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.380363] 1965979 pages RAM
[  317.383398]  ? should_fail+0x22d/0xd01
[  317.388914] 0 pages HighMem/MovableOnly
[  317.392017]  ? __lock_acquire+0x62f/0x4c20
[  317.395899] 342853 pages reserved
[  317.399864]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.404074] 0 pages cma reserved
[  317.407525]  ? __lock_acquire+0x62f/0x4c20
[  317.412698] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  317.415986]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.415999]  ? __lock_acquire+0x62f/0x4c20
[  317.416014]  ? should_fail+0x22d/0xd01
[  317.420303] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  317.426728]  ? mark_held_locks+0x130/0x130
[  317.431798] syz-fuzzer cpuset=/ mems_allowed=0
[  317.436020]  ? mark_held_locks+0x130/0x130
[  317.463174]  ? zap_class+0x640/0x640
[  317.466892]  ? zap_class+0x640/0x640
[  317.470613]  ? print_usage_bug+0xc0/0xc0
[  317.474704]  ? wq_watchdog_touch+0x9c/0xfe
[  317.478948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.484513]  ? check_preemption_disabled+0x48/0x280
[  317.489536]  ? __lock_is_held+0xb5/0x140
[  317.493626]  __alloc_pages_nodemask+0xa80/0xde0
[  317.498316]  ? zap_class+0x640/0x640
[  317.502037]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  317.507061]  ? find_held_lock+0x36/0x1c0
[  317.511162]  ? ____cache_alloc_node+0x1c7/0x1e0
[  317.515857]  ? lock_downgrade+0x900/0x900
[  317.520011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.525569]  cache_grow_begin+0xa5/0x8c0
[  317.529635]  ? do_raw_spin_unlock+0xa7/0x330
[  317.534067]  fallback_alloc+0x204/0x2e0
[  317.538053]  ____cache_alloc_node+0x1c7/0x1e0
[  317.542565]  kmem_cache_alloc_node+0xe3/0x730
[  317.547082]  ? ipv6_get_ifaddr+0x42e/0x620
[  317.551365]  __alloc_skb+0x119/0x770
[  317.555071]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.560352]  ? netdev_alloc_frag+0x1f0/0x1f0
[  317.564779]  ? lock_downgrade+0x900/0x900
[  317.568941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.574488]  ? refcount_sub_and_test_checked+0x203/0x310
[  317.579936]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  317.585393]  ? addrconf_rs_timer+0x690/0x690
[  317.589812]  ndisc_alloc_skb+0x144/0x340
[  317.593890]  ndisc_send_rs+0x331/0x6e0
[  317.597778]  addrconf_rs_timer+0x314/0x690
[  317.602016]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.606255]  call_timer_fn+0x272/0x920
[  317.610139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.614370]  ? process_timeout+0x40/0x40
[  317.618449]  ? __run_timers+0x7da/0xc70
[  317.622432]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.626935]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.631424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.635687]  ? lockdep_hardirqs_on+0x296/0x5b0
[  317.640294]  ? trace_hardirqs_on+0xbd/0x310
[  317.644759]  ? kasan_check_read+0x11/0x20
[  317.648903]  ? __run_timers+0x7da/0xc70
[  317.652891]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.658007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.662272]  __run_timers+0x7e5/0xc70
[  317.666102]  ? timer_fixup_init+0x70/0x70
[  317.670266]  ? kasan_check_read+0x11/0x20
[  317.674440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.679726]  ? rcu_softirq_qs+0x20/0x20
[  317.683707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.689248]  ? check_preemption_disabled+0x48/0x280
[  317.694271]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  317.699047]  ? retint_kernel+0x2d/0x2d
[  317.702935]  ? trace_hardirqs_on_caller+0xc0/0x310
[  317.707898]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  317.712655]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.718116]  ? zap_class+0x640/0x640
[  317.721837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.727393]  ? check_preemption_disabled+0x48/0x280
[  317.732462]  ? __lock_is_held+0xb5/0x140
[  317.736523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.742061]  ? check_preemption_disabled+0x48/0x280
[  317.747115]  run_timer_softirq+0x52/0xb0
[  317.751196]  ? rcu_read_lock_sched_held+0x14f/0x180
[  317.756217]  __do_softirq+0x308/0xb7e
[  317.760018]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  317.764548]  ? lock_downgrade+0x900/0x900
[  317.768697]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  317.773826]  ? pvclock_read_flags+0x160/0x160
[  317.778353]  ? lapic_next_event+0x5a/0x90
[  317.782508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.788051]  ? kvm_clock_read+0x18/0x30
[  317.792024]  ? kvm_sched_clock_read+0x9/0x20
[  317.796453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.802000]  ? check_preemption_disabled+0x48/0x280
[  317.807067]  irq_exit+0x17f/0x1c0
[  317.810534]  smp_apic_timer_interrupt+0x1cb/0x760
[  317.815377]  ? smp_reschedule_interrupt+0x109/0x650
[  317.820504]  ? smp_call_function_single_interrupt+0x650/0x650
[  317.826387]  ? interrupt_entry+0xb5/0xc0
[  317.830459]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.835489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.840520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.845362]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.850420]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.855434]  ? task_prio+0x50/0x50
[  317.858971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.864506]  ? check_preemption_disabled+0x48/0x280
[  317.869530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.874379]  apic_timer_interrupt+0xf/0x20
[  317.878623]  </IRQ>
[  317.880859] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  317.885790] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  317.904684] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  317.912416] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  317.919696] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  317.926964] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  317.934251] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  317.941530] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  317.948829]  skb_clone+0x1bb/0x500
[  317.952373]  ? finish_task_switch+0x1b4/0x910
[  317.956882]  ? skb_split+0x11e0/0x11e0
[  317.960795]  ? preempt_notifier_register+0x200/0x200
[  317.965892]  ? __switch_to_asm+0x34/0x70
[  317.969947]  ? __switch_to_asm+0x34/0x70
[  317.974000]  ? __switch_to_asm+0x40/0x70
[  317.978074]  ? __switch_to_asm+0x34/0x70
[  317.982138]  ? __switch_to_asm+0x40/0x70
[  317.986191]  ? __switch_to_asm+0x34/0x70
[  317.990250]  ? __switch_to_asm+0x40/0x70
[  317.994342]  ? __switch_to_asm+0x34/0x70
[  317.998410]  ? __switch_to_asm+0x34/0x70
[  318.002463]  ? __switch_to_asm+0x40/0x70
[  318.006534]  ? __switch_to_asm+0x34/0x70
[  318.010618]  bpf_clone_redirect+0xb9/0x490
[  318.014849]  ? __schedule+0x8d7/0x21d0
[  318.018763]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  318.023775]  ? __sched_text_start+0x8/0x8
[  318.027936]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  318.032510]  ? retint_kernel+0x2d/0x2d
[  318.036429]  ? trace_hardirqs_on_caller+0xc0/0x310
[  318.041379]  ? find_held_lock+0x36/0x1c0
[  318.045485]  ? lock_acquire+0x1ed/0x520
[  318.049478]  ? bpf_test_run+0x3cb/0x780
[  318.053494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.059061]  ? check_preemption_disabled+0x48/0x280
[  318.064106]  ? kasan_check_read+0x11/0x20
[  318.068252]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.073524]  ? rcu_softirq_qs+0x20/0x20
[  318.077526]  ? preempt_schedule+0x4d/0x60
[  318.081684]  ? ___preempt_schedule+0x16/0x18
[  318.086118]  ? bpf_test_run+0x25d/0x780
[  318.090107]  ? netlink_diag_dump+0x2a0/0x2a0
[  318.094532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.100072]  ? bpf_test_init.isra.10+0x70/0x100
[  318.104761]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  318.109519]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  318.114361]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  318.119908]  ? fput+0x130/0x1a0
[  318.123206]  ? __bpf_prog_get+0x9b/0x290
[  318.127272]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  318.132121]  ? bpf_prog_test_run+0x130/0x1a0
[  318.136556]  ? __x64_sys_bpf+0x3d8/0x520
[  318.140621]  ? bpf_prog_get+0x20/0x20
[  318.144437]  ? do_syscall_64+0x1b9/0x820
[  318.148496]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  318.153863]  ? syscall_return_slowpath+0x5e0/0x5e0
[  318.158786]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.163644]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.168674]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  318.173721]  ? prepare_exit_to_usermode+0x291/0x3b0
[  318.178743]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.183609]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  318.188982] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  318.189066] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.195903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.195908] Call Trace:
[  318.195913]  <IRQ>
[  318.195929]  dump_stack+0x244/0x39d
[  318.195945]  ? dump_stack_print_info.cold.1+0x20/0x20
[  318.202517] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.211843]  warn_alloc.cold.116+0xb7/0x1bd
[  318.214394] syz-executor3 cpuset=syz3 mems_allowed=0
[  318.216550]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.250029]  ? lock_downgrade+0x900/0x900
[  318.254187]  ? trace_hardirqs_off+0xb8/0x310
[  318.258611]  ? trace_hardirqs_off+0xb8/0x310
[  318.263046]  __alloc_pages_slowpath+0x26e8/0x2e10
[  318.267911]  ? warn_alloc+0x120/0x120
[  318.271709]  ? print_usage_bug+0xc0/0xc0
[  318.275769]  ? warn_alloc+0x120/0x120
[  318.279584]  ? warn_alloc+0x120/0x120
[  318.283436]  ? print_usage_bug+0xc0/0xc0
[  318.287505]  ? print_usage_bug+0xc0/0xc0
[  318.291575]  ? __lock_acquire+0x62f/0x4c20
[  318.295824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.301355]  ? should_fail+0x22d/0xd01
[  318.305246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.310358]  ? __lock_acquire+0x62f/0x4c20
[  318.314590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.320198]  ? __lock_acquire+0x62f/0x4c20
[  318.324441]  ? should_fail+0x22d/0xd01
[  318.328360]  ? find_held_lock+0x36/0x1c0
[  318.332427]  ? mark_held_locks+0x130/0x130
[  318.336681]  ? mark_held_locks+0x130/0x130
[  318.340924]  ? zap_class+0x640/0x640
[  318.344640]  ? zap_class+0x640/0x640
[  318.348405]  ? print_usage_bug+0xc0/0xc0
[  318.352473]  ? do_raw_spin_unlock+0xa7/0x330
[  318.356874]  ? zap_class+0x640/0x640
[  318.360611]  ? print_usage_bug+0xc0/0xc0
[  318.364684]  ? wq_watchdog_touch+0x9c/0xfe
[  318.368924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.374456]  ? check_preemption_disabled+0x48/0x280
[  318.379493]  ? __lock_is_held+0xb5/0x140
[  318.383553]  __alloc_pages_nodemask+0xa80/0xde0
[  318.388225]  ? zap_class+0x640/0x640
[  318.391941]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  318.396960]  ? find_held_lock+0x36/0x1c0
[  318.401935]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.406601]  ? lock_downgrade+0x900/0x900
[  318.410754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.416293]  cache_grow_begin+0xa5/0x8c0
[  318.420355]  ? do_raw_spin_unlock+0xa7/0x330
[  318.424775]  fallback_alloc+0x204/0x2e0
[  318.428766]  ____cache_alloc_node+0x1c7/0x1e0
[  318.433285]  kmem_cache_alloc_node+0xe3/0x730
[  318.437776]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.442014]  __alloc_skb+0x119/0x770
[  318.445729]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.451180]  ? netdev_alloc_frag+0x1f0/0x1f0
[  318.455609]  ? lock_downgrade+0x900/0x900
[  318.459776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.465318]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.470798]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.476250]  ? addrconf_rs_timer+0x690/0x690
[  318.480710]  ndisc_alloc_skb+0x144/0x340
[  318.484790]  ndisc_send_rs+0x331/0x6e0
[  318.488682]  addrconf_rs_timer+0x314/0x690
[  318.492942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.497189]  call_timer_fn+0x272/0x920
[  318.501086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.505349]  ? process_timeout+0x40/0x40
[  318.509415]  ? mark_held_locks+0xc7/0x130
[  318.513560]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.518065]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.522565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.526811]  ? lockdep_hardirqs_on+0x296/0x5b0
[  318.531446]  ? trace_hardirqs_on+0xbd/0x310
[  318.535784]  ? kasan_check_read+0x11/0x20
[  318.539926]  ? __run_timers+0x7da/0xc70
[  318.543901]  ? trace_hardirqs_off_caller+0x310/0x310
[  318.549003]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.553251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.557478]  __run_timers+0x7e5/0xc70
[  318.561282]  ? timer_fixup_init+0x70/0x70
[  318.565428]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  318.570445]  ? zap_class+0x640/0x640
[  318.574195]  ? print_usage_bug+0xc0/0xc0
[  318.578285]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  318.583495]  ? find_held_lock+0x36/0x1c0
[  318.587594]  ? zap_class+0x640/0x640
[  318.591311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.596859]  ? check_preemption_disabled+0x48/0x280
[  318.601881]  ? __lock_is_held+0xb5/0x140
[  318.605942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.611482]  ? check_preemption_disabled+0x48/0x280
[  318.616526]  run_timer_softirq+0x52/0xb0
[  318.620692]  ? rcu_read_lock_sched_held+0x14f/0x180
[  318.625705]  __do_softirq+0x308/0xb7e
[  318.629509]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  318.634015]  ? lock_downgrade+0x900/0x900
[  318.638182]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  318.643311]  ? pvclock_read_flags+0x160/0x160
[  318.647804]  ? lapic_next_event+0x5a/0x90
[  318.651960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.657507]  ? kvm_clock_read+0x18/0x30
[  318.661492]  ? kvm_sched_clock_read+0x9/0x20
[  318.665912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.671464]  ? check_preemption_disabled+0x48/0x280
[  318.676499]  irq_exit+0x17f/0x1c0
[  318.679949]  smp_apic_timer_interrupt+0x1cb/0x760
[  318.684826]  ? smp_reschedule_interrupt+0x109/0x650
[  318.689848]  ? smp_call_function_single_interrupt+0x650/0x650
[  318.695741]  ? interrupt_entry+0xb5/0xc0
[  318.699820]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.704861]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.709912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.714771]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.719788]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.724820]  ? task_prio+0x50/0x50
[  318.728379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.733912]  ? check_preemption_disabled+0x48/0x280
[  318.738955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.743804]  apic_timer_interrupt+0xf/0x20
[  318.748034]  </IRQ>
[  318.750274] RIP: 0010:dump_stack+0x358/0x39d
[  318.754696] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  318.773614] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  318.781329] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  318.788597] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  318.795864] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  318.803131] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  318.810395] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  318.817681]  ? dump_stack+0x34f/0x39d
[  318.821507]  ? dump_stack_print_info.cold.1+0x20/0x20
[  318.826706]  ? mark_held_locks+0x130/0x130
[  318.830946]  ? mark_held_locks+0x130/0x130
[  318.835193]  dump_header+0x27b/0xf72
[  318.838924]  ? pagefault_out_of_memory+0x197/0x197
[  318.843865]  ? __lock_acquire+0x62f/0x4c20
[  318.848114]  ? percpu_ref_get_many+0x240/0x240
[  318.852695]  ? print_usage_bug+0xc0/0xc0
[  318.856758]  ? zap_class+0x640/0x640
[  318.860540]  ? print_usage_bug+0xc0/0xc0
[  318.864601]  ? print_usage_bug+0xc0/0xc0
[  318.868661]  ? zap_class+0x640/0x640
[  318.872397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.877938]  ? find_held_lock+0x36/0x1c0
[  318.882022]  ? mark_held_locks+0xc7/0x130
[  318.886204]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  318.891333]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  318.896460]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  318.901054]  ? trace_hardirqs_on+0xbd/0x310
[  318.905382]  ? kasan_check_read+0x11/0x20
[  318.909571]  ? ___ratelimit+0x3b4/0x672
[  318.913542]  ? trace_hardirqs_off_caller+0x310/0x310
[  318.918663]  ? trace_hardirqs_on+0x310/0x310
[  318.923071]  ? lock_downgrade+0x900/0x900
[  318.927249]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  318.932350]  ? ___ratelimit+0x3b9/0x672
[  318.936327]  ? idr_get_free+0xf70/0xf70
[  318.940301]  ? find_held_lock+0x36/0x1c0
[  318.944376]  oom_kill_process.cold.27+0x10/0x903
[  318.949143]  ? zap_class+0x640/0x640
[  318.952852]  ? check_preemption_disabled+0x48/0x280
[  318.957867]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  318.962806]  ? kasan_check_read+0x11/0x20
[  318.966973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.972275]  ? oom_evaluate_task+0x540/0x540
[  318.976683]  ? find_held_lock+0x36/0x1c0
[  318.980756]  ? out_of_memory+0x974/0x1430
[  318.984958]  ? lock_downgrade+0x900/0x900
[  318.989150]  ? check_preemption_disabled+0x48/0x280
[  318.994183]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  318.999144]  ? kasan_check_read+0x11/0x20
[  319.003337]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.008618]  ? rcu_softirq_qs+0x20/0x20
[  319.012637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.018174]  ? oom_evaluate_task+0x302/0x540
[  319.022605]  out_of_memory+0xa84/0x1430
[  319.026614]  ? oom_killer_disable+0x3a0/0x3a0
[  319.031148]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  319.036122]  ? __ww_mutex_check_waiters+0x160/0x160
[  319.041203]  __alloc_pages_slowpath+0x2354/0x2e10
[  319.046127]  ? warn_alloc+0x120/0x120
[  319.049928]  ? mark_held_locks+0x130/0x130
[  319.054167]  ? find_get_entry+0xaae/0x1120
[  319.058506]  ? filemap_map_pages+0x1a20/0x1a20
[  319.063133]  ? zap_class+0x640/0x640
[  319.066849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.072405]  ? check_preemption_disabled+0x48/0x280
[  319.077455]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.083031]  ? should_fail+0x22d/0xd01
[  319.086938]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.092040]  ? zap_class+0x640/0x640
[  319.095777]  ? __lock_is_held+0xb5/0x140
[  319.099840]  ? mark_held_locks+0x130/0x130
[  319.104071]  ? lock_release+0xa00/0xa00
[  319.108062]  ? perf_trace_sched_process_exec+0x860/0x860
[  319.113524]  ? xa_load+0x2ba/0x460
[  319.117062]  ? lock_downgrade+0x900/0x900
[  319.121330]  ? __might_sleep+0x95/0x190
[  319.125309]  __alloc_pages_nodemask+0xa80/0xde0
[  319.129980]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  319.135008]  ? __page_cache_alloc+0x191/0x5c0
[  319.139532]  ? xa_load+0x2e1/0x460
[  319.143146]  ? xa_clear_mark+0x40/0x40
[  319.147144]  ? zap_class+0x640/0x640
[  319.150891]  ? zap_class+0x640/0x640
[  319.154605]  ? zap_class+0x640/0x640
[  319.158318]  ? __do_page_cache_readahead+0x663/0x810
[  319.163442]  ? find_held_lock+0x36/0x1c0
[  319.167538]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  319.173122]  alloc_pages_current+0x173/0x350
[  319.177567]  __page_cache_alloc+0x38c/0x5c0
[  319.181887]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  319.186815]  ? kasan_check_read+0x11/0x20
[  319.190956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.196240]  ? generic_perform_write+0x6a0/0x6a0
[  319.201007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.206539]  ? check_preemption_disabled+0x48/0x280
[  319.211571]  filemap_fault+0x1595/0x25f0
[  319.215669]  ? __lock_page_or_retry+0xa00/0xa00
[  319.220340]  ? mark_held_locks+0x130/0x130
[  319.224606]  ? filemap_map_pages+0xd6b/0x1a20
[  319.229115]  ? lock_downgrade+0x900/0x900
[  319.233268]  ? check_preemption_disabled+0x48/0x280
[  319.238283]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  319.243229]  ? kasan_check_read+0x11/0x20
[  319.247389]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.252662]  ? rcu_softirq_qs+0x20/0x20
[  319.256657]  ? filemap_map_pages+0xd92/0x1a20
[  319.261203]  ? find_get_entries_tag+0x1400/0x1400
[  319.266077]  ? debug_object_destroy+0x2b0/0x2b0
[  319.270799]  ? lock_pi_update_atomic+0x150/0x150
[  319.275552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.281111]  ? lock_acquire+0x1ed/0x520
[  319.285084]  ? ext4_filemap_fault+0x7a/0xad
[  319.289458]  ? lock_release+0xa00/0xa00
[  319.293428]  ? perf_trace_sched_process_exec+0x860/0x860
[  319.298890]  ? print_usage_bug+0xc0/0xc0
[  319.302982]  ? print_usage_bug+0xc0/0xc0
[  319.307064]  ? down_read+0x8d/0x120
[  319.310721]  ? ext4_filemap_fault+0x7a/0xad
[  319.315038]  ? __down_interruptible+0x700/0x700
[  319.320226]  ext4_filemap_fault+0x82/0xad
[  319.324374]  __do_fault+0x100/0x6b0
[  319.328020]  ? pmd_devmap_trans_unstable+0x220/0x220
[  319.333168]  ? mark_held_locks+0x130/0x130
[  319.337418]  ? mark_held_locks+0x130/0x130
[  319.341670]  ? debug_smp_processor_id+0x1c/0x20
[  319.346353]  ? perf_trace_lock+0x14d/0x7a0
[  319.350612]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  319.356252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.361834]  __handle_mm_fault+0x3ea0/0x5be0
[  319.366266]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  319.371117]  ? lock_is_held_type+0x210/0x210
[  319.375528]  ? file_remove_privs+0x540/0x540
[  319.379945]  ? zap_class+0x640/0x640
[  319.383671]  ? zap_class+0x640/0x640
[  319.387381]  ? __x64_sys_futex+0x53e/0x6a0
[  319.391614]  ? find_held_lock+0x36/0x1c0
[  319.395681]  ? handle_mm_fault+0x42a/0xc70
[  319.399981]  ? lock_downgrade+0x900/0x900
[  319.404130]  ? check_preemption_disabled+0x48/0x280
[  319.409149]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  319.414105]  ? kasan_check_read+0x11/0x20
[  319.418259]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.423531]  ? rcu_softirq_qs+0x20/0x20
[  319.427498]  ? trace_hardirqs_off_caller+0x310/0x310
[  319.432597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.438172]  ? check_preemption_disabled+0x48/0x280
[  319.443235]  handle_mm_fault+0x54f/0xc70
[  319.447313]  ? __handle_mm_fault+0x5be0/0x5be0
[  319.451898]  ? find_vma+0x34/0x190
[  319.455441]  __do_page_fault+0x5e8/0xe60
[  319.459494]  ? trace_hardirqs_off+0xb8/0x310
[  319.463930]  do_page_fault+0xf2/0x7e0
[  319.467753]  ? vmalloc_sync_all+0x30/0x30
[  319.471947]  ? error_entry+0x70/0xd0
[  319.475673]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.480715]  ? trace_hardirqs_on_caller+0xc0/0x310
[  319.485661]  ? syscall_return_slowpath+0x5e0/0x5e0
[  319.490590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.495434]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.500456]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  319.505927]  ? prepare_exit_to_usermode+0x291/0x3b0
[  319.510949]  ? page_fault+0x8/0x30
[  319.514493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.519348]  ? page_fault+0x8/0x30
[  319.522891]  page_fault+0x1e/0x30
[  319.526351] RIP: 0033:0x40f9c0
[  319.529571] Code: Bad RIP value.
[  319.532939] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  319.538308] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  319.545676] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  319.552947] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  319.560220] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  319.567487] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  319.574781] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  319.574787] warn_alloc_show_mem: 1 callbacks suppressed
[  319.574795] Mem-Info:
[  319.581982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  319.587352] active_anon:50082 inactive_anon:201 isolated_anon:0
[  319.587352]  active_file:11 inactive_file:13 isolated_file:0
[  319.587352]  unevictable:0 dirty:0 writeback:0 unstable:0
[  319.587352]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  319.587352]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  319.587352]  free:13738 free_pcp:300 free_cma:0
[  319.589722] Call Trace:
[  319.599124] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  319.631963]  <IRQ>
[  319.634532] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  319.662123]  dump_stack+0x244/0x39d
[  319.664247] lowmem_reserve[]: 0 2818 6321 6321
[  319.690360]  ? dump_stack_print_info.cold.1+0x20/0x20
[  319.694080] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  319.698676]  warn_alloc.cold.116+0xb7/0x1bd
[  319.703832] lowmem_reserve[]: 0 0 3503 3503
[  319.731418]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.735708] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  319.740034]  ? lock_downgrade+0x900/0x900
[  319.744910] lowmem_reserve[]: 0 0 0 0
[  319.773801]  ? trace_hardirqs_off+0xb8/0x310
[  319.777944] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  319.781742]  ? trace_hardirqs_off+0xb8/0x310
[  319.786128] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  319.799649]  __alloc_pages_slowpath+0x26e8/0x2e10
[  319.804025] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  319.819149]  ? warn_alloc+0x120/0x120
[  319.823956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  319.838528]  ? print_usage_bug+0xc0/0xc0
[  319.842312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  319.851149]  ? warn_alloc+0x120/0x120
[  319.855211] 268 total pagecache pages
[  319.863779]  ? warn_alloc+0x120/0x120
[  319.867560] 0 pages in swap cache
[  319.871353]  ? print_usage_bug+0xc0/0xc0
[  319.875150] Swap cache stats: add 0, delete 0, find 0/0
[  319.878593]  ? print_usage_bug+0xc0/0xc0
[  319.882630] Free swap  = 0kB
[  319.887983]  ? __lock_acquire+0x62f/0x4c20
[  319.892022] Total swap = 0kB
[  319.895036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.899255] 1965979 pages RAM
[  319.902286]  ? should_fail+0x22d/0xd01
[  319.907809] 0 pages HighMem/MovableOnly
[  319.910912]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.914772] 342853 pages reserved
[  319.918759]  ? __lock_acquire+0x62f/0x4c20
[  319.923836] 0 pages cma reserved
[  319.927282]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.931569] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  319.934847]  ? __lock_acquire+0x62f/0x4c20
[  319.934860]  ? should_fail+0x22d/0xd01
[  319.934874]  ? find_held_lock+0x36/0x1c0
[  319.934895]  ? mark_held_locks+0x130/0x130
[  319.940107] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  319.946518]  ? mark_held_locks+0x130/0x130
[  319.950724] syz-fuzzer cpuset=/ mems_allowed=0
[  319.954648]  ? zap_class+0x640/0x640
[  319.985631]  ? zap_class+0x640/0x640
[  319.989368]  ? print_usage_bug+0xc0/0xc0
[  319.993427]  ? do_raw_spin_unlock+0xa7/0x330
[  319.997831]  ? zap_class+0x640/0x640
[  320.001578]  ? print_usage_bug+0xc0/0xc0
[  320.005655]  ? wq_watchdog_touch+0x9c/0xfe
[  320.009890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.015425]  ? check_preemption_disabled+0x48/0x280
[  320.020458]  ? __lock_is_held+0xb5/0x140
[  320.024575]  __alloc_pages_nodemask+0xa80/0xde0
[  320.029246]  ? zap_class+0x640/0x640
[  320.032958]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  320.038016]  ? find_held_lock+0x36/0x1c0
[  320.042096]  ? ____cache_alloc_node+0x1c7/0x1e0
[  320.046784]  ? lock_downgrade+0x900/0x900
[  320.050933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.056473]  cache_grow_begin+0xa5/0x8c0
[  320.060561]  ? do_raw_spin_unlock+0xa7/0x330
[  320.064972]  fallback_alloc+0x204/0x2e0
[  320.068962]  ____cache_alloc_node+0x1c7/0x1e0
[  320.073475]  kmem_cache_alloc_node+0xe3/0x730
[  320.077977]  ? ipv6_get_ifaddr+0x42e/0x620
[  320.082222]  __alloc_skb+0x119/0x770
[  320.085931]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.091212]  ? netdev_alloc_frag+0x1f0/0x1f0
[  320.095639]  ? lock_downgrade+0x900/0x900
[  320.099812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.105370]  ? refcount_sub_and_test_checked+0x203/0x310
[  320.110817]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  320.116266]  ? addrconf_rs_timer+0x690/0x690
[  320.120704]  ndisc_alloc_skb+0x144/0x340
[  320.124858]  ndisc_send_rs+0x331/0x6e0
[  320.128758]  addrconf_rs_timer+0x314/0x690
[  320.132996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.137272]  call_timer_fn+0x272/0x920
[  320.141174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.145415]  ? process_timeout+0x40/0x40
[  320.149482]  ? __run_timers+0x7da/0xc70
[  320.153470]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.157974]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.162486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.166733]  ? lockdep_hardirqs_on+0x296/0x5b0
[  320.171316]  ? trace_hardirqs_on+0xbd/0x310
[  320.175637]  ? kasan_check_read+0x11/0x20
[  320.179785]  ? __run_timers+0x7da/0xc70
[  320.183773]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.188873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.193116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.197350]  __run_timers+0x7e5/0xc70
[  320.201190]  ? timer_fixup_init+0x70/0x70
[  320.205354]  ? kasan_check_read+0x11/0x20
[  320.209499]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.214785]  ? rcu_softirq_qs+0x20/0x20
[  320.218789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.224323]  ? check_preemption_disabled+0x48/0x280
[  320.229399]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  320.234190]  ? retint_kernel+0x2d/0x2d
[  320.238100]  ? trace_hardirqs_on_caller+0xc0/0x310
[  320.243034]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  320.247805]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.253276]  ? zap_class+0x640/0x640
[  320.256997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.262549]  ? check_preemption_disabled+0x48/0x280
[  320.267603]  ? __lock_is_held+0xb5/0x140
[  320.271663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.277199]  ? check_preemption_disabled+0x48/0x280
[  320.282217]  run_timer_softirq+0x52/0xb0
[  320.286293]  ? rcu_read_lock_sched_held+0x14f/0x180
[  320.291310]  __do_softirq+0x308/0xb7e
[  320.295169]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  320.299675]  ? lock_downgrade+0x900/0x900
[  320.303843]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  320.308988]  ? pvclock_read_flags+0x160/0x160
[  320.313484]  ? lapic_next_event+0x5a/0x90
[  320.317635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.323188]  ? kvm_clock_read+0x18/0x30
[  320.327209]  ? kvm_sched_clock_read+0x9/0x20
[  320.331622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.337156]  ? check_preemption_disabled+0x48/0x280
[  320.342178]  irq_exit+0x17f/0x1c0
[  320.345648]  smp_apic_timer_interrupt+0x1cb/0x760
[  320.350500]  ? smp_reschedule_interrupt+0x109/0x650
[  320.355510]  ? smp_call_function_single_interrupt+0x650/0x650
[  320.361417]  ? interrupt_entry+0xb5/0xc0
[  320.365519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.370527]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.375552]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.380419]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.385446]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.390489]  ? task_prio+0x50/0x50
[  320.394024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.399554]  ? check_preemption_disabled+0x48/0x280
[  320.404567]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.409407]  apic_timer_interrupt+0xf/0x20
[  320.413656]  </IRQ>
[  320.415903] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  320.420827] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  320.439718] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  320.447416] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  320.455198] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  320.462458] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  320.469718] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  320.476979] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  320.484303]  skb_clone+0x1bb/0x500
[  320.487847]  ? finish_task_switch+0x1b4/0x910
[  320.492338]  ? skb_split+0x11e0/0x11e0
[  320.496227]  ? preempt_notifier_register+0x200/0x200
[  320.501323]  ? __switch_to_asm+0x34/0x70
[  320.505378]  ? __switch_to_asm+0x34/0x70
[  320.509446]  ? __switch_to_asm+0x40/0x70
[  320.513503]  ? __switch_to_asm+0x34/0x70
[  320.517553]  ? __switch_to_asm+0x40/0x70
[  320.521609]  ? __switch_to_asm+0x34/0x70
[  320.525665]  ? __switch_to_asm+0x40/0x70
[  320.529732]  ? __switch_to_asm+0x34/0x70
[  320.533798]  ? __switch_to_asm+0x34/0x70
[  320.537849]  ? __switch_to_asm+0x40/0x70
[  320.541903]  ? __switch_to_asm+0x34/0x70
[  320.546062]  bpf_clone_redirect+0xb9/0x490
[  320.550320]  ? __schedule+0x8d7/0x21d0
[  320.554215]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  320.559233]  ? __sched_text_start+0x8/0x8
[  320.563443]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  320.568022]  ? retint_kernel+0x2d/0x2d
[  320.571925]  ? trace_hardirqs_on_caller+0xc0/0x310
[  320.576861]  ? find_held_lock+0x36/0x1c0
[  320.580930]  ? lock_acquire+0x1ed/0x520
[  320.584904]  ? bpf_test_run+0x3cb/0x780
[  320.588877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.594482]  ? check_preemption_disabled+0x48/0x280
[  320.599503]  ? kasan_check_read+0x11/0x20
[  320.603649]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.608922]  ? rcu_softirq_qs+0x20/0x20
[  320.612899]  ? preempt_schedule+0x4d/0x60
[  320.617048]  ? ___preempt_schedule+0x16/0x18
[  320.621456]  ? bpf_test_run+0x25d/0x780
[  320.625468]  ? netlink_diag_dump+0x2a0/0x2a0
[  320.629872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.635418]  ? bpf_test_init.isra.10+0x70/0x100
[  320.640084]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  320.644853]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  320.649716]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  320.655249]  ? fput+0x130/0x1a0
[  320.658522]  ? __bpf_prog_get+0x9b/0x290
[  320.662580]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  320.667416]  ? bpf_prog_test_run+0x130/0x1a0
[  320.671835]  ? __x64_sys_bpf+0x3d8/0x520
[  320.675903]  ? bpf_prog_get+0x20/0x20
[  320.679713]  ? do_syscall_64+0x1b9/0x820
[  320.683782]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  320.689159]  ? syscall_return_slowpath+0x5e0/0x5e0
[  320.694079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.698929]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.703944]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  320.708954]  ? prepare_exit_to_usermode+0x291/0x3b0
[  320.713968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.718811]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  320.724195] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  320.724301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  320.731140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  320.731177] Call Trace:
[  320.737745] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  320.746995]  <IRQ>
[  320.749578] syz-executor3 cpuset=syz3 mems_allowed=0
[  320.760057]  dump_stack+0x244/0x39d
[  320.770901]  ? dump_stack_print_info.cold.1+0x20/0x20
[  320.776128]  warn_alloc.cold.116+0xb7/0x1bd
[  320.780462]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  320.785325]  ? lock_downgrade+0x900/0x900
[  320.789515]  ? trace_hardirqs_off+0xb8/0x310
[  320.793953]  ? trace_hardirqs_off+0xb8/0x310
[  320.798382]  __alloc_pages_slowpath+0x26e8/0x2e10
[  320.803252]  ? warn_alloc+0x120/0x120
[  320.807054]  ? print_usage_bug+0xc0/0xc0
[  320.811138]  ? warn_alloc+0x120/0x120
[  320.814941]  ? warn_alloc+0x120/0x120
[  320.818740]  ? print_usage_bug+0xc0/0xc0
[  320.822816]  ? print_usage_bug+0xc0/0xc0
[  320.826878]  ? __lock_acquire+0x62f/0x4c20
[  320.831135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.836672]  ? should_fail+0x22d/0xd01
[  320.840600]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.845721]  ? __lock_acquire+0x62f/0x4c20
[  320.849955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.855055]  ? __lock_acquire+0x62f/0x4c20
[  320.859280]  ? should_fail+0x22d/0xd01
[  320.863162]  ? find_held_lock+0x36/0x1c0
[  320.867225]  ? mark_held_locks+0x130/0x130
[  320.871476]  ? mark_held_locks+0x130/0x130
[  320.875709]  ? zap_class+0x640/0x640
[  320.879419]  ? zap_class+0x640/0x640
[  320.883133]  ? print_usage_bug+0xc0/0xc0
[  320.887188]  ? do_raw_spin_unlock+0xa7/0x330
[  320.891599]  ? zap_class+0x640/0x640
[  320.895324]  ? print_usage_bug+0xc0/0xc0
[  320.899383]  ? wq_watchdog_touch+0x9c/0xfe
[  320.903619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.909154]  ? check_preemption_disabled+0x48/0x280
[  320.914178]  ? __lock_is_held+0xb5/0x140
[  320.918274]  __alloc_pages_nodemask+0xa80/0xde0
[  320.922947]  ? zap_class+0x640/0x640
[  320.926662]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  320.931685]  ? find_held_lock+0x36/0x1c0
[  320.935755]  ? ____cache_alloc_node+0x1c7/0x1e0
[  320.940422]  ? lock_downgrade+0x900/0x900
[  320.944589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.950144]  cache_grow_begin+0xa5/0x8c0
[  320.954205]  ? do_raw_spin_unlock+0xa7/0x330
[  320.958618]  fallback_alloc+0x204/0x2e0
[  320.962602]  ____cache_alloc_node+0x1c7/0x1e0
[  320.967119]  kmem_cache_alloc_node+0xe3/0x730
[  320.971615]  ? ipv6_get_ifaddr+0x42e/0x620
[  320.975882]  __alloc_skb+0x119/0x770
[  320.979590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.984867]  ? netdev_alloc_frag+0x1f0/0x1f0
[  320.989317]  ? lock_downgrade+0x900/0x900
[  320.993503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.999048]  ? refcount_sub_and_test_checked+0x203/0x310
[  321.004531]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  321.009984]  ? addrconf_rs_timer+0x690/0x690
[  321.014416]  ndisc_alloc_skb+0x144/0x340
[  321.018480]  ndisc_send_rs+0x331/0x6e0
[  321.022368]  addrconf_rs_timer+0x314/0x690
[  321.026618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.030856]  call_timer_fn+0x272/0x920
[  321.034746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.038977]  ? process_timeout+0x40/0x40
[  321.043039]  ? mark_held_locks+0xc7/0x130
[  321.047194]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.051681]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.056187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.060437]  ? lockdep_hardirqs_on+0x296/0x5b0
[  321.065014]  ? trace_hardirqs_on+0xbd/0x310
[  321.069335]  ? kasan_check_read+0x11/0x20
[  321.073490]  ? __run_timers+0x7da/0xc70
[  321.077477]  ? trace_hardirqs_off_caller+0x310/0x310
[  321.082580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.086825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.091063]  __run_timers+0x7e5/0xc70
[  321.094871]  ? timer_fixup_init+0x70/0x70
[  321.099014]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  321.104024]  ? zap_class+0x640/0x640
[  321.107755]  ? print_usage_bug+0xc0/0xc0
[  321.111831]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  321.117023]  ? find_held_lock+0x36/0x1c0
[  321.121119]  ? zap_class+0x640/0x640
[  321.124835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.130369]  ? check_preemption_disabled+0x48/0x280
[  321.135403]  ? __lock_is_held+0xb5/0x140
[  321.139463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.144992]  ? check_preemption_disabled+0x48/0x280
[  321.150037]  run_timer_softirq+0x52/0xb0
[  321.154147]  ? rcu_read_lock_sched_held+0x14f/0x180
[  321.159162]  __do_softirq+0x308/0xb7e
[  321.162961]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  321.167451]  ? lock_downgrade+0x900/0x900
[  321.171596]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  321.176704]  ? pvclock_read_flags+0x160/0x160
[  321.181197]  ? lapic_next_event+0x5a/0x90
[  321.185360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.190894]  ? kvm_clock_read+0x18/0x30
[  321.194863]  ? kvm_sched_clock_read+0x9/0x20
[  321.199270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.204803]  ? check_preemption_disabled+0x48/0x280
[  321.209822]  irq_exit+0x17f/0x1c0
[  321.213273]  smp_apic_timer_interrupt+0x1cb/0x760
[  321.218120]  ? smp_reschedule_interrupt+0x109/0x650
[  321.223144]  ? smp_call_function_single_interrupt+0x650/0x650
[  321.229023]  ? interrupt_entry+0xb5/0xc0
[  321.233079]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.238105]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.243129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.247964]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.252974]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.257982]  ? task_prio+0x50/0x50
[  321.261513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.267059]  ? check_preemption_disabled+0x48/0x280
[  321.272079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.276961]  apic_timer_interrupt+0xf/0x20
[  321.281200]  </IRQ>
[  321.283432] RIP: 0010:dump_stack+0x358/0x39d
[  321.287848] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  321.306739] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  321.314461] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  321.321728] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  321.329014] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  321.336277] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  321.343575] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  321.350850]  ? dump_stack+0x34f/0x39d
[  321.354674]  ? dump_stack_print_info.cold.1+0x20/0x20
[  321.359860]  ? mark_held_locks+0x130/0x130
[  321.364095]  ? mark_held_locks+0x130/0x130
[  321.368340]  dump_header+0x27b/0xf72
[  321.372056]  ? pagefault_out_of_memory+0x197/0x197
[  321.376982]  ? __lock_acquire+0x62f/0x4c20
[  321.381212]  ? percpu_ref_get_many+0x240/0x240
[  321.385788]  ? print_usage_bug+0xc0/0xc0
[  321.389849]  ? zap_class+0x640/0x640
[  321.393563]  ? print_usage_bug+0xc0/0xc0
[  321.397639]  ? print_usage_bug+0xc0/0xc0
[  321.401724]  ? zap_class+0x640/0x640
[  321.405433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.410979]  ? find_held_lock+0x36/0x1c0
[  321.415059]  ? mark_held_locks+0xc7/0x130
[  321.419245]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  321.424339]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  321.429439]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  321.434013]  ? trace_hardirqs_on+0xbd/0x310
[  321.438327]  ? kasan_check_read+0x11/0x20
[  321.442471]  ? ___ratelimit+0x3b4/0x672
[  321.446453]  ? trace_hardirqs_off_caller+0x310/0x310
[  321.451575]  ? trace_hardirqs_on+0x310/0x310
[  321.455992]  ? lock_downgrade+0x900/0x900
[  321.460159]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  321.465256]  ? ___ratelimit+0x3b9/0x672
[  321.469228]  ? idr_get_free+0xf70/0xf70
[  321.473199]  ? find_held_lock+0x36/0x1c0
[  321.477262]  oom_kill_process.cold.27+0x10/0x903
[  321.482015]  ? zap_class+0x640/0x640
[  321.485738]  ? check_preemption_disabled+0x48/0x280
[  321.490755]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  321.495711]  ? kasan_check_read+0x11/0x20
[  321.499870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.505159]  ? oom_evaluate_task+0x540/0x540
[  321.509568]  ? find_held_lock+0x36/0x1c0
[  321.513633]  ? out_of_memory+0x974/0x1430
[  321.517775]  ? lock_downgrade+0x900/0x900
[  321.521942]  ? check_preemption_disabled+0x48/0x280
[  321.526956]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  321.531895]  ? kasan_check_read+0x11/0x20
[  321.536067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.541423]  ? rcu_softirq_qs+0x20/0x20
[  321.545413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.550957]  ? oom_evaluate_task+0x302/0x540
[  321.555364]  out_of_memory+0xa84/0x1430
[  321.559375]  ? oom_killer_disable+0x3a0/0x3a0
[  321.563863]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  321.568788]  ? __ww_mutex_check_waiters+0x160/0x160
[  321.573825]  __alloc_pages_slowpath+0x2354/0x2e10
[  321.578686]  ? warn_alloc+0x120/0x120
[  321.582499]  ? mark_held_locks+0x130/0x130
[  321.586735]  ? find_get_entry+0xaae/0x1120
[  321.590991]  ? filemap_map_pages+0x1a20/0x1a20
[  321.595589]  ? zap_class+0x640/0x640
[  321.599304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.604836]  ? check_preemption_disabled+0x48/0x280
[  321.609894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.615452]  ? should_fail+0x22d/0xd01
[  321.619345]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.624445]  ? zap_class+0x640/0x640
[  321.628175]  ? __lock_is_held+0xb5/0x140
[  321.632238]  ? mark_held_locks+0x130/0x130
[  321.636513]  ? lock_release+0xa00/0xa00
[  321.640487]  ? perf_trace_sched_process_exec+0x860/0x860
[  321.645942]  ? xa_load+0x2ba/0x460
[  321.649477]  ? lock_downgrade+0x900/0x900
[  321.653669]  ? __might_sleep+0x95/0x190
[  321.657658]  __alloc_pages_nodemask+0xa80/0xde0
[  321.662329]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  321.667377]  ? __page_cache_alloc+0x191/0x5c0
[  321.671888]  ? xa_load+0x2e1/0x460
[  321.675426]  ? xa_clear_mark+0x40/0x40
[  321.679310]  ? zap_class+0x640/0x640
[  321.683054]  ? zap_class+0x640/0x640
[  321.686776]  ? zap_class+0x640/0x640
[  321.690483]  ? __do_page_cache_readahead+0x663/0x810
[  321.695614]  ? find_held_lock+0x36/0x1c0
[  321.699694]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  321.705248]  alloc_pages_current+0x173/0x350
[  321.709653]  __page_cache_alloc+0x38c/0x5c0
[  321.713965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  321.718889]  ? kasan_check_read+0x11/0x20
[  321.723031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.728333]  ? generic_perform_write+0x6a0/0x6a0
[  321.733126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.738666]  ? check_preemption_disabled+0x48/0x280
[  321.743728]  filemap_fault+0x1595/0x25f0
[  321.747801]  ? __lock_page_or_retry+0xa00/0xa00
[  321.752471]  ? mark_held_locks+0x130/0x130
[  321.756718]  ? filemap_map_pages+0xd6b/0x1a20
[  321.761247]  ? lock_downgrade+0x900/0x900
[  321.765439]  ? check_preemption_disabled+0x48/0x280
[  321.770509]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  321.775478]  ? kasan_check_read+0x11/0x20
[  321.779627]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.784906]  ? rcu_softirq_qs+0x20/0x20
[  321.788899]  ? filemap_map_pages+0xd92/0x1a20
[  321.793409]  ? find_get_entries_tag+0x1400/0x1400
[  321.798260]  ? debug_object_destroy+0x2b0/0x2b0
[  321.802936]  ? lock_pi_update_atomic+0x150/0x150
[  321.807691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.813270]  ? lock_acquire+0x1ed/0x520
[  321.817245]  ? ext4_filemap_fault+0x7a/0xad
[  321.821590]  ? lock_release+0xa00/0xa00
[  321.825565]  ? perf_trace_sched_process_exec+0x860/0x860
[  321.831019]  ? print_usage_bug+0xc0/0xc0
[  321.835081]  ? print_usage_bug+0xc0/0xc0
[  321.839164]  ? down_read+0x8d/0x120
[  321.842790]  ? ext4_filemap_fault+0x7a/0xad
[  321.847121]  ? __down_interruptible+0x700/0x700
[  321.851800]  ext4_filemap_fault+0x82/0xad
[  321.855953]  __do_fault+0x100/0x6b0
[  321.859584]  ? pmd_devmap_trans_unstable+0x220/0x220
[  321.864691]  ? mark_held_locks+0x130/0x130
[  321.868923]  ? mark_held_locks+0x130/0x130
[  321.873158]  ? debug_smp_processor_id+0x1c/0x20
[  321.877820]  ? perf_trace_lock+0x14d/0x7a0
[  321.882051]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  321.887674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.893230]  __handle_mm_fault+0x3ea0/0x5be0
[  321.897645]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  321.902517]  ? lock_is_held_type+0x210/0x210
[  321.906925]  ? file_remove_privs+0x540/0x540
[  321.911376]  ? zap_class+0x640/0x640
[  321.915095]  ? zap_class+0x640/0x640
[  321.918815]  ? __x64_sys_futex+0x53e/0x6a0
[  321.923047]  ? find_held_lock+0x36/0x1c0
[  321.927120]  ? handle_mm_fault+0x42a/0xc70
[  321.931354]  ? lock_downgrade+0x900/0x900
[  321.935511]  ? check_preemption_disabled+0x48/0x280
[  321.940533]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  321.945473]  ? kasan_check_read+0x11/0x20
[  321.949617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.954889]  ? rcu_softirq_qs+0x20/0x20
[  321.958874]  ? trace_hardirqs_off_caller+0x310/0x310
[  321.963973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.969508]  ? check_preemption_disabled+0x48/0x280
[  321.974531]  handle_mm_fault+0x54f/0xc70
[  321.978600]  ? __handle_mm_fault+0x5be0/0x5be0
[  321.983187]  ? find_vma+0x34/0x190
[  321.986736]  __do_page_fault+0x5e8/0xe60
[  321.990798]  ? trace_hardirqs_off+0xb8/0x310
[  321.995221]  do_page_fault+0xf2/0x7e0
[  321.999020]  ? vmalloc_sync_all+0x30/0x30
[  322.003167]  ? error_entry+0x70/0xd0
[  322.006907]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.011920]  ? trace_hardirqs_on_caller+0xc0/0x310
[  322.016852]  ? syscall_return_slowpath+0x5e0/0x5e0
[  322.021776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.026616]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.031631]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  322.037110]  ? prepare_exit_to_usermode+0x291/0x3b0
[  322.042126]  ? page_fault+0x8/0x30
[  322.045672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.050517]  ? page_fault+0x8/0x30
[  322.054053]  page_fault+0x1e/0x30
[  322.057504] RIP: 0033:0x40f9c0
[  322.060726] Code: Bad RIP value.
[  322.064082] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  322.069453] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  322.076712] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  322.083991] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  322.091284] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  322.098545] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  322.105830] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  322.105835] warn_alloc_show_mem: 1 callbacks suppressed
[  322.105841] Mem-Info:
[  322.113020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  322.118397] active_anon:50082 inactive_anon:201 isolated_anon:0
[  322.118397]  active_file:11 inactive_file:13 isolated_file:0
[  322.118397]  unevictable:0 dirty:0 writeback:0 unstable:0
[  322.118397]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  322.118397]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  322.118397]  free:13738 free_pcp:300 free_cma:0
[  322.120781] Call Trace:
[  322.130213] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  322.163055]  <IRQ>
[  322.165624] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  322.193126]  dump_stack+0x244/0x39d
[  322.195355] lowmem_reserve[]: 0 2818 6321 6321
[  322.221472]  ? dump_stack_print_info.cold.1+0x20/0x20
[  322.225074] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  322.229670]  warn_alloc.cold.116+0xb7/0x1bd
[  322.234823] lowmem_reserve[]: 0 0 3503 3503
[  322.262396]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  322.266686] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  322.271012]  ? lock_downgrade+0x900/0x900
[  322.275837] lowmem_reserve[]: 0 0 0 0
[  322.304727]  ? trace_hardirqs_off+0xb8/0x310
[  322.308857] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  322.312651]  ? trace_hardirqs_off+0xb8/0x310
[  322.317502] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  322.331037]  __alloc_pages_slowpath+0x26e8/0x2e10
[  322.335422] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  322.350516]  ? warn_alloc+0x120/0x120
[  322.355358] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  322.369904]  ? print_usage_bug+0xc0/0xc0
[  322.373692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  322.382511]  ? warn_alloc+0x120/0x120
[  322.386555] 268 total pagecache pages
[  322.395134]  ? warn_alloc+0x120/0x120
[  322.398912] 0 pages in swap cache
[  322.402692]  ? print_usage_bug+0xc0/0xc0
[  322.406466] Swap cache stats: add 0, delete 0, find 0/0
[  322.409935]  ? kvm_clock_read+0x18/0x30
[  322.413981] Free swap  = 0kB
[  322.419352]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  322.423296] Total swap = 0kB
[  322.426333]  ? print_usage_bug+0xc0/0xc0
[  322.431338] 1965979 pages RAM
[  322.434360]  ? __lock_acquire+0x62f/0x4c20
[  322.438391] 0 pages HighMem/MovableOnly
[  322.441482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.445685] 342853 pages reserved
[  322.450170]  ? should_fail+0x22d/0xd01
[  322.455693] 0 pages cma reserved
[  322.459175]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.463111] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  322.466397]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.466410]  ? __lock_acquire+0x62f/0x4c20
[  322.466425]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.471762] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.478165]  ? __lock_acquire+0x62f/0x4c20
[  322.483241] syz-fuzzer cpuset=/ mems_allowed=0
[  322.487457]  ? should_fail+0x22d/0xd01
[  322.487470]  ? rcu_irq_exit+0x1a2/0x390
[  322.519364]  ? mark_held_locks+0x130/0x130
[  322.523604]  ? mark_held_locks+0x130/0x130
[  322.527836]  ? mark_held_locks+0xc7/0x130
[  322.531976]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  322.536984]  ? zap_class+0x640/0x640
[  322.540692]  ? print_usage_bug+0xc0/0xc0
[  322.544750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.550282]  ? check_preemption_disabled+0x48/0x280
[  322.555302]  ? __lock_is_held+0xb5/0x140
[  322.559367]  __alloc_pages_nodemask+0xa80/0xde0
[  322.564044]  ? zap_class+0x640/0x640
[  322.567771]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  322.572789]  ? find_held_lock+0x36/0x1c0
[  322.576863]  ? ____cache_alloc_node+0x1c7/0x1e0
[  322.581529]  ? lock_downgrade+0x900/0x900
[  322.585677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.591211]  cache_grow_begin+0xa5/0x8c0
[  322.595282]  ? do_raw_spin_unlock+0xa7/0x330
[  322.599708]  fallback_alloc+0x204/0x2e0
[  322.603689]  ____cache_alloc_node+0x1c7/0x1e0
[  322.608198]  kmem_cache_alloc_node+0xe3/0x730
[  322.612688]  ? ipv6_get_ifaddr+0x42e/0x620
[  322.616928]  __alloc_skb+0x119/0x770
[  322.620640]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.625928]  ? netdev_alloc_frag+0x1f0/0x1f0
[  322.630337]  ? lock_downgrade+0x900/0x900
[  322.634498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.640028]  ? refcount_sub_and_test_checked+0x203/0x310
[  322.645474]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  322.650921]  ? addrconf_rs_timer+0x690/0x690
[  322.655336]  ndisc_alloc_skb+0x144/0x340
[  322.659410]  ndisc_send_rs+0x331/0x6e0
[  322.663313]  addrconf_rs_timer+0x314/0x690
[  322.667565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.671813]  call_timer_fn+0x272/0x920
[  322.675696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.679924]  ? process_timeout+0x40/0x40
[  322.683985]  ? __run_timers+0x7da/0xc70
[  322.687954]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.692447]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.696934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.701193]  ? lockdep_hardirqs_on+0x296/0x5b0
[  322.705788]  ? trace_hardirqs_on+0xbd/0x310
[  322.710139]  ? kasan_check_read+0x11/0x20
[  322.714276]  ? __run_timers+0x7da/0xc70
[  322.718244]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.723347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.727594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.731852]  __run_timers+0x7e5/0xc70
[  322.735661]  ? timer_fixup_init+0x70/0x70
[  322.739831]  ? kasan_check_read+0x11/0x20
[  322.744030]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.749308]  ? rcu_softirq_qs+0x20/0x20
[  322.753359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.758927]  ? check_preemption_disabled+0x48/0x280
[  322.763948]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.768705]  ? retint_kernel+0x2d/0x2d
[  322.772593]  ? trace_hardirqs_on_caller+0xc0/0x310
[  322.777542]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.782371]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  322.787851]  ? zap_class+0x640/0x640
[  322.791587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.797127]  ? check_preemption_disabled+0x48/0x280
[  322.802166]  ? __lock_is_held+0xb5/0x140
[  322.806229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.811783]  ? check_preemption_disabled+0x48/0x280
[  322.816805]  run_timer_softirq+0x52/0xb0
[  322.820864]  ? rcu_read_lock_sched_held+0x14f/0x180
[  322.825882]  __do_softirq+0x308/0xb7e
[  322.829688]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  322.834180]  ? lock_downgrade+0x900/0x900
[  322.838330]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  322.843451]  ? pvclock_read_flags+0x160/0x160
[  322.847944]  ? lapic_next_event+0x5a/0x90
[  322.852111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.857694]  ? kvm_clock_read+0x18/0x30
[  322.861664]  ? kvm_sched_clock_read+0x9/0x20
[  322.866066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.871609]  ? check_preemption_disabled+0x48/0x280
[  322.876644]  irq_exit+0x17f/0x1c0
[  322.880103]  smp_apic_timer_interrupt+0x1cb/0x760
[  322.884942]  ? smp_reschedule_interrupt+0x109/0x650
[  322.889952]  ? smp_call_function_single_interrupt+0x650/0x650
[  322.895831]  ? interrupt_entry+0xb5/0xc0
[  322.899894]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.904905]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.909936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.914779]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.919792]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.924805]  ? task_prio+0x50/0x50
[  322.928356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.933898]  ? check_preemption_disabled+0x48/0x280
[  322.938917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.943767]  apic_timer_interrupt+0xf/0x20
[  322.948008]  </IRQ>
[  322.950246] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  322.955174] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  322.974068] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  322.981773] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  322.989050] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  322.996326] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  323.003607] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  323.010870] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  323.018198]  skb_clone+0x1bb/0x500
[  323.021771]  ? finish_task_switch+0x1b4/0x910
[  323.026287]  ? skb_split+0x11e0/0x11e0
[  323.030187]  ? preempt_notifier_register+0x200/0x200
[  323.035285]  ? __switch_to_asm+0x34/0x70
[  323.039383]  ? __switch_to_asm+0x34/0x70
[  323.043489]  ? __switch_to_asm+0x40/0x70
[  323.047546]  ? __switch_to_asm+0x34/0x70
[  323.051605]  ? __switch_to_asm+0x40/0x70
[  323.055659]  ? __switch_to_asm+0x34/0x70
[  323.059728]  ? __switch_to_asm+0x40/0x70
[  323.063781]  ? __switch_to_asm+0x34/0x70
[  323.067835]  ? __switch_to_asm+0x34/0x70
[  323.071914]  ? __switch_to_asm+0x40/0x70
[  323.075973]  ? __switch_to_asm+0x34/0x70
[  323.080034]  bpf_clone_redirect+0xb9/0x490
[  323.084264]  ? __schedule+0x8d7/0x21d0
[  323.088175]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  323.093214]  ? __sched_text_start+0x8/0x8
[  323.097379]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  323.101953]  ? retint_kernel+0x2d/0x2d
[  323.105833]  ? trace_hardirqs_on_caller+0xc0/0x310
[  323.110780]  ? find_held_lock+0x36/0x1c0
[  323.114853]  ? lock_acquire+0x1ed/0x520
[  323.118821]  ? bpf_test_run+0x3cb/0x780
[  323.122818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.128372]  ? check_preemption_disabled+0x48/0x280
[  323.133419]  ? kasan_check_read+0x11/0x20
[  323.137574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.142849]  ? rcu_softirq_qs+0x20/0x20
[  323.146818]  ? preempt_schedule+0x4d/0x60
[  323.150957]  ? ___preempt_schedule+0x16/0x18
[  323.155385]  ? bpf_test_run+0x25d/0x780
[  323.159366]  ? netlink_diag_dump+0x2a0/0x2a0
[  323.163801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.169365]  ? bpf_test_init.isra.10+0x70/0x100
[  323.174069]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  323.178869]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  323.183726]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  323.189259]  ? fput+0x130/0x1a0
[  323.192547]  ? __bpf_prog_get+0x9b/0x290
[  323.196610]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  323.201460]  ? bpf_prog_test_run+0x130/0x1a0
[  323.205892]  ? __x64_sys_bpf+0x3d8/0x520
[  323.209963]  ? bpf_prog_get+0x20/0x20
[  323.213817]  ? do_syscall_64+0x1b9/0x820
[  323.217871]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  323.223245]  ? syscall_return_slowpath+0x5e0/0x5e0
[  323.228208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.233046]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.238055]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  323.243063]  ? prepare_exit_to_usermode+0x291/0x3b0
[  323.248082]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.252975]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  323.258362] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  323.258449] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  323.265283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  323.265288] Call Trace:
[  323.265292]  <IRQ>
[  323.265325]  dump_stack+0x244/0x39d
[  323.265355]  ? dump_stack_print_info.cold.1+0x20/0x20
[  323.271892] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  323.281185]  warn_alloc.cold.116+0xb7/0x1bd
[  323.283740] syz-executor3 cpuset=syz3 mems_allowed=0
[  323.285875]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  323.319357]  ? lock_downgrade+0x900/0x900
[  323.323508]  ? trace_hardirqs_off+0xb8/0x310
[  323.327920]  ? trace_hardirqs_off+0xb8/0x310
[  323.332332]  __alloc_pages_slowpath+0x26e8/0x2e10
[  323.337198]  ? warn_alloc+0x120/0x120
[  323.340995]  ? print_usage_bug+0xc0/0xc0
[  323.345053]  ? warn_alloc+0x120/0x120
[  323.348851]  ? warn_alloc+0x120/0x120
[  323.352651]  ? print_usage_bug+0xc0/0xc0
[  323.356727]  ? print_usage_bug+0xc0/0xc0
[  323.360799]  ? __lock_acquire+0x62f/0x4c20
[  323.365037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.370570]  ? should_fail+0x22d/0xd01
[  323.374458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.379573]  ? __lock_acquire+0x62f/0x4c20
[  323.383807]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.388904]  ? __lock_acquire+0x62f/0x4c20
[  323.393136]  ? should_fail+0x22d/0xd01
[  323.397060]  ? mark_held_locks+0x130/0x130
[  323.401302]  ? mark_held_locks+0x130/0x130
[  323.405531]  ? zap_class+0x640/0x640
[  323.409248]  ? zap_class+0x640/0x640
[  323.412959]  ? print_usage_bug+0xc0/0xc0
[  323.417017]  ? wq_watchdog_touch+0x9c/0xfe
[  323.421272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.426832]  ? check_preemption_disabled+0x48/0x280
[  323.431859]  ? __lock_is_held+0xb5/0x140
[  323.435921]  __alloc_pages_nodemask+0xa80/0xde0
[  323.440586]  ? zap_class+0x640/0x640
[  323.444299]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  323.449320]  ? find_held_lock+0x36/0x1c0
[  323.453395]  ? ____cache_alloc_node+0x1c7/0x1e0
[  323.458073]  ? lock_downgrade+0x900/0x900
[  323.462293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.467841]  cache_grow_begin+0xa5/0x8c0
[  323.471909]  ? do_raw_spin_unlock+0xa7/0x330
[  323.476317]  fallback_alloc+0x204/0x2e0
[  323.480293]  ____cache_alloc_node+0x1c7/0x1e0
[  323.484803]  kmem_cache_alloc_node+0xe3/0x730
[  323.489296]  ? ipv6_get_ifaddr+0x42e/0x620
[  323.493550]  __alloc_skb+0x119/0x770
[  323.497258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.502533]  ? netdev_alloc_frag+0x1f0/0x1f0
[  323.506930]  ? lock_downgrade+0x900/0x900
[  323.511077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.516614]  ? refcount_sub_and_test_checked+0x203/0x310
[  323.522058]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  323.527528]  ? addrconf_rs_timer+0x690/0x690
[  323.531941]  ndisc_alloc_skb+0x144/0x340
[  323.536013]  ndisc_send_rs+0x331/0x6e0
[  323.539911]  addrconf_rs_timer+0x314/0x690
[  323.544144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.548378]  call_timer_fn+0x272/0x920
[  323.552258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.556484]  ? process_timeout+0x40/0x40
[  323.560545]  ? mark_held_locks+0xc7/0x130
[  323.564714]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.569203]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.573763]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.578024]  ? lockdep_hardirqs_on+0x296/0x5b0
[  323.582599]  ? trace_hardirqs_on+0xbd/0x310
[  323.586913]  ? kasan_check_read+0x11/0x20
[  323.591064]  ? __run_timers+0x7da/0xc70
[  323.595075]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.600209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.604437]  __run_timers+0x7e5/0xc70
[  323.608247]  ? timer_fixup_init+0x70/0x70
[  323.612421]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  323.617452]  ? zap_class+0x640/0x640
[  323.621170]  ? print_usage_bug+0xc0/0xc0
[  323.625270]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  323.630493]  ? find_held_lock+0x36/0x1c0
[  323.634571]  ? zap_class+0x640/0x640
[  323.638289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.643862]  ? check_preemption_disabled+0x48/0x280
[  323.648916]  ? __lock_is_held+0xb5/0x140
[  323.652971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.658522]  ? check_preemption_disabled+0x48/0x280
[  323.663568]  run_timer_softirq+0x52/0xb0
[  323.667643]  ? rcu_read_lock_sched_held+0x14f/0x180
[  323.672658]  __do_softirq+0x308/0xb7e
[  323.676461]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  323.680950]  ? lock_downgrade+0x900/0x900
[  323.685138]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  323.690245]  ? pvclock_read_flags+0x160/0x160
[  323.694737]  ? lapic_next_event+0x5a/0x90
[  323.698880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.704417]  ? kvm_clock_read+0x18/0x30
[  323.708399]  ? kvm_sched_clock_read+0x9/0x20
[  323.712808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.718340]  ? check_preemption_disabled+0x48/0x280
[  323.723418]  irq_exit+0x17f/0x1c0
[  323.726882]  smp_apic_timer_interrupt+0x1cb/0x760
[  323.731721]  ? smp_reschedule_interrupt+0x109/0x650
[  323.736734]  ? smp_call_function_single_interrupt+0x650/0x650
[  323.742613]  ? interrupt_entry+0xb5/0xc0
[  323.746674]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.751685]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.756698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.761564]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.766605]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.771634]  ? task_prio+0x50/0x50
[  323.775176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.780715]  ? check_preemption_disabled+0x48/0x280
[  323.785742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.790593]  apic_timer_interrupt+0xf/0x20
[  323.794850]  </IRQ>
[  323.797094] RIP: 0010:dump_stack+0x358/0x39d
[  323.801541] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  323.820436] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  323.828157] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  323.835437] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  323.842706] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  323.849971] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  323.857238] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  323.864519]  ? dump_stack+0x34f/0x39d
[  323.868330]  ? dump_stack_print_info.cold.1+0x20/0x20
[  323.873523]  ? mark_held_locks+0x130/0x130
[  323.877757]  ? mark_held_locks+0x130/0x130
[  323.881997]  dump_header+0x27b/0xf72
[  323.885719]  ? pagefault_out_of_memory+0x197/0x197
[  323.890653]  ? __lock_acquire+0x62f/0x4c20
[  323.894890]  ? percpu_ref_get_many+0x240/0x240
[  323.899472]  ? print_usage_bug+0xc0/0xc0
[  323.903539]  ? zap_class+0x640/0x640
[  323.907263]  ? print_usage_bug+0xc0/0xc0
[  323.911349]  ? print_usage_bug+0xc0/0xc0
[  323.915439]  ? zap_class+0x640/0x640
[  323.919152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.924690]  ? find_held_lock+0x36/0x1c0
[  323.928755]  ? mark_held_locks+0xc7/0x130
[  323.932902]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  323.938003]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  323.943145]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  323.947742]  ? trace_hardirqs_on+0xbd/0x310
[  323.952068]  ? kasan_check_read+0x11/0x20
[  323.956225]  ? ___ratelimit+0x3b4/0x672
[  323.960195]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.965340]  ? trace_hardirqs_on+0x310/0x310
[  323.969747]  ? lock_downgrade+0x900/0x900
[  323.973911]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.979009]  ? ___ratelimit+0x3b9/0x672
[  323.982995]  ? idr_get_free+0xf70/0xf70
[  323.986978]  ? find_held_lock+0x36/0x1c0
[  323.991041]  oom_kill_process.cold.27+0x10/0x903
[  323.995797]  ? zap_class+0x640/0x640
[  323.999507]  ? check_preemption_disabled+0x48/0x280
[  324.004523]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  324.009454]  ? kasan_check_read+0x11/0x20
[  324.013597]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.018865]  ? oom_evaluate_task+0x540/0x540
[  324.023271]  ? find_held_lock+0x36/0x1c0
[  324.027348]  ? out_of_memory+0x974/0x1430
[  324.031491]  ? lock_downgrade+0x900/0x900
[  324.035634]  ? check_preemption_disabled+0x48/0x280
[  324.040646]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  324.045577]  ? kasan_check_read+0x11/0x20
[  324.049735]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.055022]  ? rcu_softirq_qs+0x20/0x20
[  324.059009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.064538]  ? oom_evaluate_task+0x302/0x540
[  324.068973]  out_of_memory+0xa84/0x1430
[  324.072976]  ? oom_killer_disable+0x3a0/0x3a0
[  324.077475]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  324.082460]  ? __ww_mutex_check_waiters+0x160/0x160
[  324.087481]  __alloc_pages_slowpath+0x2354/0x2e10
[  324.092344]  ? warn_alloc+0x120/0x120
[  324.096186]  ? mark_held_locks+0x130/0x130
[  324.100420]  ? find_get_entry+0xaae/0x1120
[  324.104669]  ? filemap_map_pages+0x1a20/0x1a20
[  324.109247]  ? zap_class+0x640/0x640
[  324.112958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.118486]  ? check_preemption_disabled+0x48/0x280
[  324.123509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.129076]  ? should_fail+0x22d/0xd01
[  324.132980]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.138084]  ? zap_class+0x640/0x640
[  324.141859]  ? __lock_is_held+0xb5/0x140
[  324.145922]  ? mark_held_locks+0x130/0x130
[  324.150162]  ? lock_release+0xa00/0xa00
[  324.154151]  ? perf_trace_sched_process_exec+0x860/0x860
[  324.159595]  ? xa_load+0x2ba/0x460
[  324.163167]  ? lock_downgrade+0x900/0x900
[  324.167347]  ? __might_sleep+0x95/0x190
[  324.171341]  __alloc_pages_nodemask+0xa80/0xde0
[  324.176021]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  324.181050]  ? __page_cache_alloc+0x191/0x5c0
[  324.185541]  ? xa_load+0x2e1/0x460
[  324.189096]  ? xa_clear_mark+0x40/0x40
[  324.192987]  ? zap_class+0x640/0x640
[  324.196702]  ? zap_class+0x640/0x640
[  324.200427]  ? zap_class+0x640/0x640
[  324.204134]  ? __do_page_cache_readahead+0x663/0x810
[  324.209238]  ? find_held_lock+0x36/0x1c0
[  324.213298]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  324.218835]  alloc_pages_current+0x173/0x350
[  324.223256]  __page_cache_alloc+0x38c/0x5c0
[  324.227592]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  324.232516]  ? kasan_check_read+0x11/0x20
[  324.236674]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.241953]  ? generic_perform_write+0x6a0/0x6a0
[  324.246702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.252260]  ? check_preemption_disabled+0x48/0x280
[  324.257275]  filemap_fault+0x1595/0x25f0
[  324.261337]  ? __lock_page_or_retry+0xa00/0xa00
[  324.266002]  ? mark_held_locks+0x130/0x130
[  324.270260]  ? filemap_map_pages+0xd6b/0x1a20
[  324.274754]  ? lock_downgrade+0x900/0x900
[  324.278938]  ? check_preemption_disabled+0x48/0x280
[  324.283976]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  324.288899]  ? kasan_check_read+0x11/0x20
[  324.293040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.298313]  ? rcu_softirq_qs+0x20/0x20
[  324.302293]  ? filemap_map_pages+0xd92/0x1a20
[  324.306796]  ? find_get_entries_tag+0x1400/0x1400
[  324.311650]  ? debug_object_destroy+0x2b0/0x2b0
[  324.316317]  ? lock_pi_update_atomic+0x150/0x150
[  324.321650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.327220]  ? lock_acquire+0x1ed/0x520
[  324.331219]  ? ext4_filemap_fault+0x7a/0xad
[  324.335545]  ? lock_release+0xa00/0xa00
[  324.339531]  ? perf_trace_sched_process_exec+0x860/0x860
[  324.344993]  ? print_usage_bug+0xc0/0xc0
[  324.349053]  ? print_usage_bug+0xc0/0xc0
[  324.353159]  ? down_read+0x8d/0x120
[  324.356781]  ? ext4_filemap_fault+0x7a/0xad
[  324.361129]  ? __down_interruptible+0x700/0x700
[  324.365817]  ext4_filemap_fault+0x82/0xad
[  324.369972]  __do_fault+0x100/0x6b0
[  324.373597]  ? pmd_devmap_trans_unstable+0x220/0x220
[  324.378713]  ? mark_held_locks+0x130/0x130
[  324.382972]  ? mark_held_locks+0x130/0x130
[  324.387203]  ? debug_smp_processor_id+0x1c/0x20
[  324.391928]  ? perf_trace_lock+0x14d/0x7a0
[  324.396157]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  324.401808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.407353]  __handle_mm_fault+0x3ea0/0x5be0
[  324.411764]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  324.416605]  ? lock_is_held_type+0x210/0x210
[  324.421025]  ? file_remove_privs+0x540/0x540
[  324.425441]  ? zap_class+0x640/0x640
[  324.429147]  ? zap_class+0x640/0x640
[  324.432887]  ? __x64_sys_futex+0x53e/0x6a0
[  324.437132]  ? find_held_lock+0x36/0x1c0
[  324.441198]  ? handle_mm_fault+0x42a/0xc70
[  324.445428]  ? lock_downgrade+0x900/0x900
[  324.449727]  ? check_preemption_disabled+0x48/0x280
[  324.454756]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  324.459680]  ? kasan_check_read+0x11/0x20
[  324.463821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.469096]  ? rcu_softirq_qs+0x20/0x20
[  324.473107]  ? trace_hardirqs_off_caller+0x310/0x310
[  324.478207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.483756]  ? check_preemption_disabled+0x48/0x280
[  324.488802]  handle_mm_fault+0x54f/0xc70
[  324.492859]  ? __handle_mm_fault+0x5be0/0x5be0
[  324.497459]  ? find_vma+0x34/0x190
[  324.501018]  __do_page_fault+0x5e8/0xe60
[  324.505076]  ? trace_hardirqs_off+0xb8/0x310
[  324.509500]  do_page_fault+0xf2/0x7e0
[  324.513304]  ? vmalloc_sync_all+0x30/0x30
[  324.517477]  ? error_entry+0x70/0xd0
[  324.521204]  ? trace_hardirqs_off_caller+0xbb/0x310
[  324.526249]  ? trace_hardirqs_on_caller+0xc0/0x310
[  324.531187]  ? syscall_return_slowpath+0x5e0/0x5e0
[  324.536123]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.540962]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.545975]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  324.551423]  ? prepare_exit_to_usermode+0x291/0x3b0
[  324.556448]  ? page_fault+0x8/0x30
[  324.559988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.564827]  ? page_fault+0x8/0x30
[  324.568366]  page_fault+0x1e/0x30
[  324.571811] RIP: 0033:0x40f9c0
[  324.575013] Code: Bad RIP value.
[  324.578368] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  324.583725] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  324.590986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  324.598245] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  324.605510] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  324.612772] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  324.620059] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  324.620064] warn_alloc_show_mem: 1 callbacks suppressed
[  324.620070] Mem-Info:
[  324.627289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  324.632666] active_anon:50082 inactive_anon:201 isolated_anon:0
[  324.632666]  active_file:11 inactive_file:13 isolated_file:0
[  324.632666]  unevictable:0 dirty:0 writeback:0 unstable:0
[  324.632666]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  324.632666]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  324.632666]  free:13738 free_pcp:300 free_cma:0
[  324.635048] Call Trace:
[  324.644438] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  324.677311]  <IRQ>
[  324.679893] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  324.707384]  dump_stack+0x244/0x39d
[  324.709497] lowmem_reserve[]: 0 2818 6321 6321
[  324.735608]  ? dump_stack_print_info.cold.1+0x20/0x20
[  324.739216] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  324.743796]  warn_alloc.cold.116+0xb7/0x1bd
[  324.748959] lowmem_reserve[]: 0 0 3503 3503
[  324.776550]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  324.780849] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  324.785168]  ? lock_downgrade+0x900/0x900
[  324.789996] lowmem_reserve[]: 0 0 0 0
[  324.818879]  ? trace_hardirqs_off+0xb8/0x310
[  324.823007] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  324.826799]  ? trace_hardirqs_off+0xb8/0x310
[  324.831194] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  324.844728]  __alloc_pages_slowpath+0x26e8/0x2e10
[  324.849113] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  324.864209]  ? warn_alloc+0x120/0x120
[  324.869011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  324.883564]  ? print_usage_bug+0xc0/0xc0
[  324.887343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  324.896163]  ? warn_alloc+0x120/0x120
[  324.900202] 268 total pagecache pages
[  324.908765]  ? warn_alloc+0x120/0x120
[  324.912562] 0 pages in swap cache
[  324.916371]  ? print_usage_bug+0xc0/0xc0
[  324.920150] Swap cache stats: add 0, delete 0, find 0/0
[  324.923591]  ? print_usage_bug+0xc0/0xc0
[  324.927628] Free swap  = 0kB
[  324.932984]  ? __lock_acquire+0x62f/0x4c20
[  324.937020] Total swap = 0kB
[  324.940034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.944240] 1965979 pages RAM
[  324.947254]  ? should_fail+0x22d/0xd01
[  324.952760] 0 pages HighMem/MovableOnly
[  324.955858]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.959721] 342853 pages reserved
[  324.963687]  ? __lock_acquire+0x62f/0x4c20
[  324.968765] 0 pages cma reserved
[  324.972212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.976523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  324.979801]  ? __lock_acquire+0x62f/0x4c20
[  324.979817]  ? should_fail+0x22d/0xd01
[  324.984988] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  324.991382]  ? find_held_lock+0x36/0x1c0
[  324.995592] syz-fuzzer cpuset=/ mems_allowed=0
[  324.999477]  ? mark_held_locks+0x130/0x130
[  325.022524]  ? mark_held_locks+0x130/0x130
[  325.026748]  ? zap_class+0x640/0x640
[  325.030451]  ? zap_class+0x640/0x640
[  325.034163]  ? print_usage_bug+0xc0/0xc0
[  325.038232]  ? do_raw_spin_unlock+0xa7/0x330
[  325.042637]  ? zap_class+0x640/0x640
[  325.046346]  ? print_usage_bug+0xc0/0xc0
[  325.050423]  ? wq_watchdog_touch+0x9c/0xfe
[  325.054659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.060221]  ? check_preemption_disabled+0x48/0x280
[  325.065240]  ? __lock_is_held+0xb5/0x140
[  325.069300]  __alloc_pages_nodemask+0xa80/0xde0
[  325.073965]  ? zap_class+0x640/0x640
[  325.077707]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  325.082756]  ? find_held_lock+0x36/0x1c0
[  325.086852]  ? ____cache_alloc_node+0x1c7/0x1e0
[  325.091562]  ? lock_downgrade+0x900/0x900
[  325.095729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.101265]  cache_grow_begin+0xa5/0x8c0
[  325.105322]  ? do_raw_spin_unlock+0xa7/0x330
[  325.109759]  fallback_alloc+0x204/0x2e0
[  325.113730]  ____cache_alloc_node+0x1c7/0x1e0
[  325.118224]  kmem_cache_alloc_node+0xe3/0x730
[  325.122718]  ? ipv6_get_ifaddr+0x42e/0x620
[  325.126959]  __alloc_skb+0x119/0x770
[  325.130665]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.135954]  ? netdev_alloc_frag+0x1f0/0x1f0
[  325.140361]  ? lock_downgrade+0x900/0x900
[  325.144512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.150062]  ? refcount_sub_and_test_checked+0x203/0x310
[  325.155526]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  325.160972]  ? addrconf_rs_timer+0x690/0x690
[  325.165428]  ndisc_alloc_skb+0x144/0x340
[  325.169489]  ndisc_send_rs+0x331/0x6e0
[  325.173377]  addrconf_rs_timer+0x314/0x690
[  325.177656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.181904]  call_timer_fn+0x272/0x920
[  325.185788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.190034]  ? process_timeout+0x40/0x40
[  325.194099]  ? __run_timers+0x7da/0xc70
[  325.198087]  ? _raw_spin_unlock_irq+0x27/0x80
[  325.202610]  ? _raw_spin_unlock_irq+0x27/0x80
[  325.207123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.211354]  ? lockdep_hardirqs_on+0x296/0x5b0
[  325.215957]  ? trace_hardirqs_on+0xbd/0x310
[  325.220273]  ? kasan_check_read+0x11/0x20
[  325.224453]  ? __run_timers+0x7da/0xc70
[  325.228426]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.233530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.237814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  325.242061]  __run_timers+0x7e5/0xc70
[  325.245869]  ? timer_fixup_init+0x70/0x70
[  325.250011]  ? kasan_check_read+0x11/0x20
[  325.254152]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.259440]  ? rcu_softirq_qs+0x20/0x20
[  325.263421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.268952]  ? check_preemption_disabled+0x48/0x280
[  325.273986]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  325.278767]  ? retint_kernel+0x2d/0x2d
[  325.282647]  ? trace_hardirqs_on_caller+0xc0/0x310
[  325.287582]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  325.292342]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  325.297803]  ? zap_class+0x640/0x640
[  325.301541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.307139]  ? check_preemption_disabled+0x48/0x280
[  325.312159]  ? __lock_is_held+0xb5/0x140
[  325.316219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.321752]  ? check_preemption_disabled+0x48/0x280
[  325.326785]  run_timer_softirq+0x52/0xb0
[  325.330852]  ? rcu_read_lock_sched_held+0x14f/0x180
[  325.335886]  __do_softirq+0x308/0xb7e
[  325.339680]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  325.344171]  ? lock_downgrade+0x900/0x900
[  325.348329]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  325.353438]  ? pvclock_read_flags+0x160/0x160
[  325.357975]  ? lapic_next_event+0x5a/0x90
[  325.362140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.367677]  ? kvm_clock_read+0x18/0x30
[  325.371660]  ? kvm_sched_clock_read+0x9/0x20
[  325.376120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.381654]  ? check_preemption_disabled+0x48/0x280
[  325.386676]  irq_exit+0x17f/0x1c0
[  325.390140]  smp_apic_timer_interrupt+0x1cb/0x760
[  325.394976]  ? smp_reschedule_interrupt+0x109/0x650
[  325.399987]  ? smp_call_function_single_interrupt+0x650/0x650
[  325.405863]  ? interrupt_entry+0xb5/0xc0
[  325.409917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.414947]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.419997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.424831]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.429837]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.434872]  ? task_prio+0x50/0x50
[  325.438435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.443966]  ? check_preemption_disabled+0x48/0x280
[  325.448978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.453822]  apic_timer_interrupt+0xf/0x20
[  325.458045]  </IRQ>
[  325.460276] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  325.465202] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  325.484101] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  325.491834] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  325.499158] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  325.506421] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  325.513696] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  325.520955] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  325.528265]  skb_clone+0x1bb/0x500
[  325.531806]  ? finish_task_switch+0x1b4/0x910
[  325.536295]  ? skb_split+0x11e0/0x11e0
[  325.540184]  ? preempt_notifier_register+0x200/0x200
[  325.545283]  ? __switch_to_asm+0x34/0x70
[  325.549351]  ? __switch_to_asm+0x34/0x70
[  325.553425]  ? __switch_to_asm+0x40/0x70
[  325.557477]  ? __switch_to_asm+0x34/0x70
[  325.561545]  ? __switch_to_asm+0x40/0x70
[  325.565598]  ? __switch_to_asm+0x34/0x70
[  325.569655]  ? __switch_to_asm+0x40/0x70
[  325.573708]  ? __switch_to_asm+0x34/0x70
[  325.577776]  ? __switch_to_asm+0x34/0x70
[  325.581830]  ? __switch_to_asm+0x40/0x70
[  325.585881]  ? __switch_to_asm+0x34/0x70
[  325.589957]  bpf_clone_redirect+0xb9/0x490
[  325.594202]  ? __schedule+0x8d7/0x21d0
[  325.598116]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  325.603145]  ? __sched_text_start+0x8/0x8
[  325.607291]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  325.611881]  ? retint_kernel+0x2d/0x2d
[  325.615765]  ? trace_hardirqs_on_caller+0xc0/0x310
[  325.620692]  ? find_held_lock+0x36/0x1c0
[  325.624757]  ? lock_acquire+0x1ed/0x520
[  325.628725]  ? bpf_test_run+0x3cb/0x780
[  325.632694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.638231]  ? check_preemption_disabled+0x48/0x280
[  325.643251]  ? kasan_check_read+0x11/0x20
[  325.647412]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.652697]  ? rcu_softirq_qs+0x20/0x20
[  325.656669]  ? preempt_schedule+0x4d/0x60
[  325.660858]  ? ___preempt_schedule+0x16/0x18
[  325.665271]  ? bpf_test_run+0x25d/0x780
[  325.669285]  ? netlink_diag_dump+0x2a0/0x2a0
[  325.673699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.679231]  ? bpf_test_init.isra.10+0x70/0x100
[  325.683900]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  325.688676]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  325.693530]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  325.699071]  ? fput+0x130/0x1a0
[  325.702385]  ? __bpf_prog_get+0x9b/0x290
[  325.706442]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  325.711277]  ? bpf_prog_test_run+0x130/0x1a0
[  325.715697]  ? __x64_sys_bpf+0x3d8/0x520
[  325.719752]  ? bpf_prog_get+0x20/0x20
[  325.723580]  ? do_syscall_64+0x1b9/0x820
[  325.727647]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  325.733013]  ? syscall_return_slowpath+0x5e0/0x5e0
[  325.737953]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.742793]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.747805]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  325.752821]  ? prepare_exit_to_usermode+0x291/0x3b0
[  325.757838]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.762687]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  325.768067] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  325.768161] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  325.775002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  325.775007] Call Trace:
[  325.775015]  <IRQ>
[  325.775032]  dump_stack+0x244/0x39d
[  325.775049]  ? dump_stack_print_info.cold.1+0x20/0x20
[  325.781576] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  325.790869]  warn_alloc.cold.116+0xb7/0x1bd
[  325.793423] syz-executor3 cpuset=syz3 mems_allowed=0
[  325.795570]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  325.829032]  ? lock_downgrade+0x900/0x900
[  325.833185]  ? trace_hardirqs_off+0xb8/0x310
[  325.837595]  ? trace_hardirqs_off+0xb8/0x310
[  325.842006]  __alloc_pages_slowpath+0x26e8/0x2e10
[  325.846895]  ? warn_alloc+0x120/0x120
[  325.850705]  ? print_usage_bug+0xc0/0xc0
[  325.854774]  ? warn_alloc+0x120/0x120
[  325.858575]  ? warn_alloc+0x120/0x120
[  325.862376]  ? print_usage_bug+0xc0/0xc0
[  325.866436]  ? kvm_clock_read+0x18/0x30
[  325.870409]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  325.875422]  ? print_usage_bug+0xc0/0xc0
[  325.879491]  ? __lock_acquire+0x62f/0x4c20
[  325.883726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.889266]  ? should_fail+0x22d/0xd01
[  325.893164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.898450]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.903554]  ? __lock_acquire+0x62f/0x4c20
[  325.907792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.912892]  ? __lock_acquire+0x62f/0x4c20
[  325.917140]  ? should_fail+0x22d/0xd01
[  325.921021]  ? rcu_irq_exit+0x1a2/0x390
[  325.925001]  ? mark_held_locks+0x130/0x130
[  325.929242]  ? mark_held_locks+0x130/0x130
[  325.933485]  ? mark_held_locks+0xc7/0x130
[  325.937632]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  325.942648]  ? zap_class+0x640/0x640
[  325.946360]  ? print_usage_bug+0xc0/0xc0
[  325.950444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.955997]  ? check_preemption_disabled+0x48/0x280
[  325.961026]  ? __lock_is_held+0xb5/0x140
[  325.965099]  __alloc_pages_nodemask+0xa80/0xde0
[  325.969774]  ? zap_class+0x640/0x640
[  325.973493]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  325.978520]  ? find_held_lock+0x36/0x1c0
[  325.982604]  ? ____cache_alloc_node+0x1c7/0x1e0
[  325.987291]  ? lock_downgrade+0x900/0x900
[  325.991444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.997013]  cache_grow_begin+0xa5/0x8c0
[  326.001069]  ? do_raw_spin_unlock+0xa7/0x330
[  326.005527]  fallback_alloc+0x204/0x2e0
[  326.009536]  ____cache_alloc_node+0x1c7/0x1e0
[  326.014031]  kmem_cache_alloc_node+0xe3/0x730
[  326.018523]  ? ipv6_get_ifaddr+0x42e/0x620
[  326.022795]  __alloc_skb+0x119/0x770
[  326.026501]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.031870]  ? netdev_alloc_frag+0x1f0/0x1f0
[  326.036289]  ? lock_downgrade+0x900/0x900
[  326.040457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.045990]  ? refcount_sub_and_test_checked+0x203/0x310
[  326.051441]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  326.056883]  ? addrconf_rs_timer+0x690/0x690
[  326.061309]  ndisc_alloc_skb+0x144/0x340
[  326.065381]  ndisc_send_rs+0x331/0x6e0
[  326.069269]  addrconf_rs_timer+0x314/0x690
[  326.073516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.077767]  call_timer_fn+0x272/0x920
[  326.081657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.085883]  ? process_timeout+0x40/0x40
[  326.089947]  ? mark_held_locks+0xc7/0x130
[  326.094096]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.098626]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.103125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.107369]  ? lockdep_hardirqs_on+0x296/0x5b0
[  326.111991]  ? trace_hardirqs_on+0xbd/0x310
[  326.116305]  ? kasan_check_read+0x11/0x20
[  326.120462]  ? __run_timers+0x7da/0xc70
[  326.124430]  ? trace_hardirqs_off_caller+0x310/0x310
[  326.129530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.133779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.138005]  __run_timers+0x7e5/0xc70
[  326.141828]  ? timer_fixup_init+0x70/0x70
[  326.145973]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  326.150987]  ? zap_class+0x640/0x640
[  326.154702]  ? print_usage_bug+0xc0/0xc0
[  326.158789]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  326.163979]  ? find_held_lock+0x36/0x1c0
[  326.168043]  ? zap_class+0x640/0x640
[  326.171755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.177287]  ? check_preemption_disabled+0x48/0x280
[  326.182309]  ? __lock_is_held+0xb5/0x140
[  326.186369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.191936]  ? check_preemption_disabled+0x48/0x280
[  326.196974]  run_timer_softirq+0x52/0xb0
[  326.201031]  ? rcu_read_lock_sched_held+0x14f/0x180
[  326.206044]  __do_softirq+0x308/0xb7e
[  326.209843]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  326.214348]  ? lock_downgrade+0x900/0x900
[  326.218509]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  326.223634]  ? pvclock_read_flags+0x160/0x160
[  326.228163]  ? lapic_next_event+0x5a/0x90
[  326.232308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.237842]  ? kvm_clock_read+0x18/0x30
[  326.241822]  ? kvm_sched_clock_read+0x9/0x20
[  326.246227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.251766]  ? check_preemption_disabled+0x48/0x280
[  326.256786]  irq_exit+0x17f/0x1c0
[  326.260233]  smp_apic_timer_interrupt+0x1cb/0x760
[  326.265070]  ? smp_reschedule_interrupt+0x109/0x650
[  326.270152]  ? smp_call_function_single_interrupt+0x650/0x650
[  326.276059]  ? interrupt_entry+0xb5/0xc0
[  326.280139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.285153]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.290169]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.295010]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.300023]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.305035]  ? task_prio+0x50/0x50
[  326.308592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.314159]  ? check_preemption_disabled+0x48/0x280
[  326.319678]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.324528]  apic_timer_interrupt+0xf/0x20
[  326.328785]  </IRQ>
[  326.331023] RIP: 0010:dump_stack+0x358/0x39d
[  326.335479] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  326.354405] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  326.362142] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  326.369406] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  326.376686] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  326.383948] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  326.391213] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  326.398534]  ? dump_stack+0x34f/0x39d
[  326.403325]  ? dump_stack_print_info.cold.1+0x20/0x20
[  326.408528]  ? mark_held_locks+0x130/0x130
[  326.412811]  ? mark_held_locks+0x130/0x130
[  326.417075]  dump_header+0x27b/0xf72
[  326.420846]  ? pagefault_out_of_memory+0x197/0x197
[  326.425793]  ? __lock_acquire+0x62f/0x4c20
[  326.430026]  ? percpu_ref_get_many+0x240/0x240
[  326.434603]  ? print_usage_bug+0xc0/0xc0
[  326.438668]  ? zap_class+0x640/0x640
[  326.442376]  ? print_usage_bug+0xc0/0xc0
[  326.446458]  ? print_usage_bug+0xc0/0xc0
[  326.450651]  ? zap_class+0x640/0x640
[  326.454359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.459923]  ? find_held_lock+0x36/0x1c0
[  326.464016]  ? mark_held_locks+0xc7/0x130
[  326.468158]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  326.473266]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  326.478364]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  326.482945]  ? trace_hardirqs_on+0xbd/0x310
[  326.487262]  ? kasan_check_read+0x11/0x20
[  326.491418]  ? ___ratelimit+0x3b4/0x672
[  326.495386]  ? trace_hardirqs_off_caller+0x310/0x310
[  326.500513]  ? trace_hardirqs_on+0x310/0x310
[  326.504917]  ? lock_downgrade+0x900/0x900
[  326.509075]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  326.514199]  ? ___ratelimit+0x3b9/0x672
[  326.518171]  ? idr_get_free+0xf70/0xf70
[  326.522160]  ? find_held_lock+0x36/0x1c0
[  326.526223]  oom_kill_process.cold.27+0x10/0x903
[  326.530973]  ? zap_class+0x640/0x640
[  326.534693]  ? check_preemption_disabled+0x48/0x280
[  326.539727]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.544682]  ? kasan_check_read+0x11/0x20
[  326.548839]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.554119]  ? oom_evaluate_task+0x540/0x540
[  326.558524]  ? find_held_lock+0x36/0x1c0
[  326.562583]  ? out_of_memory+0x974/0x1430
[  326.566742]  ? lock_downgrade+0x900/0x900
[  326.570896]  ? check_preemption_disabled+0x48/0x280
[  326.575927]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.580853]  ? kasan_check_read+0x11/0x20
[  326.584997]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.590272]  ? rcu_softirq_qs+0x20/0x20
[  326.594243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.599770]  ? oom_evaluate_task+0x302/0x540
[  326.604176]  out_of_memory+0xa84/0x1430
[  326.608165]  ? oom_killer_disable+0x3a0/0x3a0
[  326.612660]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  326.617605]  ? __ww_mutex_check_waiters+0x160/0x160
[  326.622642]  __alloc_pages_slowpath+0x2354/0x2e10
[  326.627608]  ? warn_alloc+0x120/0x120
[  326.631424]  ? mark_held_locks+0x130/0x130
[  326.635658]  ? find_get_entry+0xaae/0x1120
[  326.639921]  ? filemap_map_pages+0x1a20/0x1a20
[  326.644505]  ? zap_class+0x640/0x640
[  326.648236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.653788]  ? check_preemption_disabled+0x48/0x280
[  326.658798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.664332]  ? should_fail+0x22d/0xd01
[  326.668218]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.673349]  ? zap_class+0x640/0x640
[  326.677160]  ? __lock_is_held+0xb5/0x140
[  326.681260]  ? mark_held_locks+0x130/0x130
[  326.685508]  ? lock_release+0xa00/0xa00
[  326.689479]  ? perf_trace_sched_process_exec+0x860/0x860
[  326.694927]  ? xa_load+0x2ba/0x460
[  326.698489]  ? lock_downgrade+0x900/0x900
[  326.702636]  ? __might_sleep+0x95/0x190
[  326.706610]  __alloc_pages_nodemask+0xa80/0xde0
[  326.711280]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  326.716291]  ? __page_cache_alloc+0x191/0x5c0
[  326.720802]  ? xa_load+0x2e1/0x460
[  326.724338]  ? xa_clear_mark+0x40/0x40
[  326.728229]  ? zap_class+0x640/0x640
[  326.731963]  ? zap_class+0x640/0x640
[  326.735702]  ? zap_class+0x640/0x640
[  326.739415]  ? __do_page_cache_readahead+0x663/0x810
[  326.744535]  ? find_held_lock+0x36/0x1c0
[  326.748608]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  326.754148]  alloc_pages_current+0x173/0x350
[  326.758563]  __page_cache_alloc+0x38c/0x5c0
[  326.762879]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.767807]  ? kasan_check_read+0x11/0x20
[  326.771950]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.777226]  ? generic_perform_write+0x6a0/0x6a0
[  326.781990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.787541]  ? check_preemption_disabled+0x48/0x280
[  326.792559]  filemap_fault+0x1595/0x25f0
[  326.796632]  ? __lock_page_or_retry+0xa00/0xa00
[  326.801319]  ? mark_held_locks+0x130/0x130
[  326.805560]  ? filemap_map_pages+0xd6b/0x1a20
[  326.810056]  ? lock_downgrade+0x900/0x900
[  326.814205]  ? check_preemption_disabled+0x48/0x280
[  326.819225]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.824156]  ? kasan_check_read+0x11/0x20
[  326.828321]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.833598]  ? rcu_softirq_qs+0x20/0x20
[  326.837588]  ? filemap_map_pages+0xd92/0x1a20
[  326.842106]  ? find_get_entries_tag+0x1400/0x1400
[  326.846952]  ? debug_object_destroy+0x2b0/0x2b0
[  326.851626]  ? lock_pi_update_atomic+0x150/0x150
[  326.856378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.861923]  ? lock_acquire+0x1ed/0x520
[  326.865895]  ? ext4_filemap_fault+0x7a/0xad
[  326.870234]  ? lock_release+0xa00/0xa00
[  326.874240]  ? perf_trace_sched_process_exec+0x860/0x860
[  326.879691]  ? print_usage_bug+0xc0/0xc0
[  326.883752]  ? print_usage_bug+0xc0/0xc0
[  326.887825]  ? down_read+0x8d/0x120
[  326.891450]  ? ext4_filemap_fault+0x7a/0xad
[  326.895773]  ? __down_interruptible+0x700/0x700
[  326.900447]  ext4_filemap_fault+0x82/0xad
[  326.904609]  __do_fault+0x100/0x6b0
[  326.908236]  ? pmd_devmap_trans_unstable+0x220/0x220
[  326.913364]  ? mark_held_locks+0x130/0x130
[  326.917599]  ? mark_held_locks+0x130/0x130
[  326.921834]  ? debug_smp_processor_id+0x1c/0x20
[  326.926513]  ? perf_trace_lock+0x14d/0x7a0
[  326.930743]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  326.936373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.941914]  __handle_mm_fault+0x3ea0/0x5be0
[  326.946347]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  326.951192]  ? lock_is_held_type+0x210/0x210
[  326.955614]  ? file_remove_privs+0x540/0x540
[  326.960036]  ? zap_class+0x640/0x640
[  326.963749]  ? zap_class+0x640/0x640
[  326.967457]  ? __x64_sys_futex+0x53e/0x6a0
[  326.971694]  ? find_held_lock+0x36/0x1c0
[  326.975759]  ? handle_mm_fault+0x42a/0xc70
[  326.979997]  ? lock_downgrade+0x900/0x900
[  326.984146]  ? check_preemption_disabled+0x48/0x280
[  326.989163]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  326.994095]  ? kasan_check_read+0x11/0x20
[  326.998241]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.003543]  ? rcu_softirq_qs+0x20/0x20
[  327.007548]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.012750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.018283]  ? check_preemption_disabled+0x48/0x280
[  327.023332]  handle_mm_fault+0x54f/0xc70
[  327.027410]  ? __handle_mm_fault+0x5be0/0x5be0
[  327.031993]  ? find_vma+0x34/0x190
[  327.035563]  __do_page_fault+0x5e8/0xe60
[  327.039619]  ? trace_hardirqs_off+0xb8/0x310
[  327.044059]  do_page_fault+0xf2/0x7e0
[  327.047855]  ? vmalloc_sync_all+0x30/0x30
[  327.052009]  ? error_entry+0x70/0xd0
[  327.055719]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.060725]  ? trace_hardirqs_on_caller+0xc0/0x310
[  327.065650]  ? syscall_return_slowpath+0x5e0/0x5e0
[  327.070574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.075442]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.080454]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  327.085947]  ? prepare_exit_to_usermode+0x291/0x3b0
[  327.090956]  ? page_fault+0x8/0x30
[  327.094491]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.099329]  ? page_fault+0x8/0x30
[  327.102875]  page_fault+0x1e/0x30
[  327.106334] RIP: 0033:0x40f9c0
[  327.109544] Code: Bad RIP value.
[  327.112913] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  327.118278] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  327.125551] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  327.132809] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  327.140071] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  327.147345] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  327.154767] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  327.154772] warn_alloc_show_mem: 1 callbacks suppressed
[  327.154779] Mem-Info:
[  327.162017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  327.167378] active_anon:50082 inactive_anon:201 isolated_anon:0
[  327.167378]  active_file:11 inactive_file:13 isolated_file:0
[  327.167378]  unevictable:0 dirty:0 writeback:0 unstable:0
[  327.167378]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  327.167378]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  327.167378]  free:13738 free_pcp:300 free_cma:0
[  327.169744] Call Trace:
[  327.179143] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  327.211982]  <IRQ>
[  327.214548] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  327.242042]  dump_stack+0x244/0x39d
[  327.244166] lowmem_reserve[]: 0 2818 6321 6321
[  327.270283]  ? dump_stack_print_info.cold.1+0x20/0x20
[  327.273883] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  327.278477]  warn_alloc.cold.116+0xb7/0x1bd
[  327.283627] lowmem_reserve[]: 0 0 3503 3503
[  327.311204]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  327.315498] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  327.319826]  ? lock_downgrade+0x900/0x900
[  327.324648] lowmem_reserve[]: 0 0 0 0
[  327.353528]  ? trace_hardirqs_off+0xb8/0x310
[  327.357648] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  327.361442]  ? trace_hardirqs_off+0xb8/0x310
[  327.365820] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  327.379334]  __alloc_pages_slowpath+0x26e8/0x2e10
[  327.383711] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  327.398834]  ? warn_alloc+0x120/0x120
[  327.403638] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  327.418185]  ? print_usage_bug+0xc0/0xc0
[  327.421966] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  327.430784]  ? warn_alloc+0x120/0x120
[  327.434817] 268 total pagecache pages
[  327.443379]  ? warn_alloc+0x120/0x120
[  327.447160] 0 pages in swap cache
[  327.450945]  ? print_usage_bug+0xc0/0xc0
[  327.454736] Swap cache stats: add 0, delete 0, find 0/0
[  327.458176]  ? print_usage_bug+0xc0/0xc0
[  327.462220] Free swap  = 0kB
[  327.467582]  ? __lock_acquire+0x62f/0x4c20
[  327.471615] Total swap = 0kB
[  327.474640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.478848] 1965979 pages RAM
[  327.481856]  ? should_fail+0x22d/0xd01
[  327.487362] 0 pages HighMem/MovableOnly
[  327.490460]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.494339] 342853 pages reserved
[  327.498301]  ? __lock_acquire+0x62f/0x4c20
[  327.503425] 0 pages cma reserved
[  327.506875]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.511161] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  327.514436]  ? __lock_acquire+0x62f/0x4c20
[  327.514447]  ? should_fail+0x22d/0xd01
[  327.514459]  ? find_held_lock+0x36/0x1c0
[  327.514478]  ? mark_held_locks+0x130/0x130
[  327.519625] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  327.526043]  ? mark_held_locks+0x130/0x130
[  327.530248] syz-fuzzer cpuset=/ mems_allowed=0
[  327.534139]  ? zap_class+0x640/0x640
[  327.565121]  ? zap_class+0x640/0x640
[  327.568849]  ? print_usage_bug+0xc0/0xc0
[  327.572902]  ? do_raw_spin_unlock+0xa7/0x330
[  327.577306]  ? zap_class+0x640/0x640
[  327.581011]  ? print_usage_bug+0xc0/0xc0
[  327.585062]  ? wq_watchdog_touch+0x9c/0xfe
[  327.589318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.594853]  ? check_preemption_disabled+0x48/0x280
[  327.599869]  ? __lock_is_held+0xb5/0x140
[  327.603931]  __alloc_pages_nodemask+0xa80/0xde0
[  327.608606]  ? zap_class+0x640/0x640
[  327.612335]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  327.617384]  ? find_held_lock+0x36/0x1c0
[  327.621473]  ? ____cache_alloc_node+0x1c7/0x1e0
[  327.626141]  ? lock_downgrade+0x900/0x900
[  327.630288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.635838]  cache_grow_begin+0xa5/0x8c0
[  327.639911]  ? do_raw_spin_unlock+0xa7/0x330
[  327.644337]  fallback_alloc+0x204/0x2e0
[  327.648337]  ____cache_alloc_node+0x1c7/0x1e0
[  327.652832]  kmem_cache_alloc_node+0xe3/0x730
[  327.657337]  ? ipv6_get_ifaddr+0x42e/0x620
[  327.661592]  __alloc_skb+0x119/0x770
[  327.665323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.670608]  ? netdev_alloc_frag+0x1f0/0x1f0
[  327.675013]  ? lock_downgrade+0x900/0x900
[  327.679163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.684726]  ? refcount_sub_and_test_checked+0x203/0x310
[  327.690202]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  327.695688]  ? addrconf_rs_timer+0x690/0x690
[  327.700111]  ndisc_alloc_skb+0x144/0x340
[  327.704182]  ndisc_send_rs+0x331/0x6e0
[  327.708075]  addrconf_rs_timer+0x314/0x690
[  327.712316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.716584]  call_timer_fn+0x272/0x920
[  327.720503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.724733]  ? process_timeout+0x40/0x40
[  327.728793]  ? __run_timers+0x7da/0xc70
[  327.732768]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.737307]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.742498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.746763]  ? lockdep_hardirqs_on+0x296/0x5b0
[  327.751398]  ? trace_hardirqs_on+0xbd/0x310
[  327.755716]  ? kasan_check_read+0x11/0x20
[  327.759862]  ? __run_timers+0x7da/0xc70
[  327.763850]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.768951]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.773190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.777422]  __run_timers+0x7e5/0xc70
[  327.781289]  ? timer_fixup_init+0x70/0x70
[  327.785445]  ? kasan_check_read+0x11/0x20
[  327.789590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.794917]  ? rcu_softirq_qs+0x20/0x20
[  327.798919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.804459]  ? check_preemption_disabled+0x48/0x280
[  327.809485]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.814261]  ? retint_kernel+0x2d/0x2d
[  327.818181]  ? trace_hardirqs_on_caller+0xc0/0x310
[  327.823130]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  327.827888]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  327.833339]  ? zap_class+0x640/0x640
[  327.837070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.842620]  ? check_preemption_disabled+0x48/0x280
[  327.847674]  ? __lock_is_held+0xb5/0x140
[  327.851729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.857260]  ? check_preemption_disabled+0x48/0x280
[  327.862275]  run_timer_softirq+0x52/0xb0
[  327.866335]  ? rcu_read_lock_sched_held+0x14f/0x180
[  327.871354]  __do_softirq+0x308/0xb7e
[  327.875168]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  327.880269]  ? lock_downgrade+0x900/0x900
[  327.884431]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  327.889537]  ? pvclock_read_flags+0x160/0x160
[  327.894046]  ? lapic_next_event+0x5a/0x90
[  327.898208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.903780]  ? kvm_clock_read+0x18/0x30
[  327.907782]  ? kvm_sched_clock_read+0x9/0x20
[  327.912192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.917731]  ? check_preemption_disabled+0x48/0x280
[  327.922758]  irq_exit+0x17f/0x1c0
[  327.926216]  smp_apic_timer_interrupt+0x1cb/0x760
[  327.931058]  ? smp_reschedule_interrupt+0x109/0x650
[  327.936097]  ? smp_call_function_single_interrupt+0x650/0x650
[  327.941979]  ? interrupt_entry+0xb5/0xc0
[  327.946054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.951066]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.956101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.960950]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.965965]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.970994]  ? task_prio+0x50/0x50
[  327.974536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.980073]  ? check_preemption_disabled+0x48/0x280
[  327.985110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.989963]  apic_timer_interrupt+0xf/0x20
[  327.994188]  </IRQ>
[  327.996444] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  328.001376] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  328.020269] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  328.027981] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  328.035260] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  328.042563] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  328.049823] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  328.057081] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  328.064410]  skb_clone+0x1bb/0x500
[  328.067960]  ? finish_task_switch+0x1b4/0x910
[  328.072482]  ? skb_split+0x11e0/0x11e0
[  328.076459]  ? preempt_notifier_register+0x200/0x200
[  328.081566]  ? __switch_to_asm+0x34/0x70
[  328.085621]  ? __switch_to_asm+0x34/0x70
[  328.089674]  ? __switch_to_asm+0x40/0x70
[  328.093725]  ? __switch_to_asm+0x34/0x70
[  328.097793]  ? __switch_to_asm+0x40/0x70
[  328.101876]  ? __switch_to_asm+0x34/0x70
[  328.105930]  ? __switch_to_asm+0x40/0x70
[  328.109984]  ? __switch_to_asm+0x34/0x70
[  328.114045]  ? __switch_to_asm+0x34/0x70
[  328.118103]  ? __switch_to_asm+0x40/0x70
[  328.122166]  ? __switch_to_asm+0x34/0x70
[  328.126232]  bpf_clone_redirect+0xb9/0x490
[  328.130468]  ? __schedule+0x8d7/0x21d0
[  328.134372]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  328.139401]  ? __sched_text_start+0x8/0x8
[  328.143553]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  328.148135]  ? retint_kernel+0x2d/0x2d
[  328.152020]  ? trace_hardirqs_on_caller+0xc0/0x310
[  328.156951]  ? find_held_lock+0x36/0x1c0
[  328.161019]  ? lock_acquire+0x1ed/0x520
[  328.164991]  ? bpf_test_run+0x3cb/0x780
[  328.168968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.174519]  ? check_preemption_disabled+0x48/0x280
[  328.179538]  ? kasan_check_read+0x11/0x20
[  328.183714]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.189112]  ? rcu_softirq_qs+0x20/0x20
[  328.193083]  ? preempt_schedule+0x4d/0x60
[  328.197263]  ? ___preempt_schedule+0x16/0x18
[  328.201673]  ? bpf_test_run+0x25d/0x780
[  328.205702]  ? netlink_diag_dump+0x2a0/0x2a0
[  328.210127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.215662]  ? bpf_test_init.isra.10+0x70/0x100
[  328.220331]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  328.225130]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  328.229982]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  328.235550]  ? fput+0x130/0x1a0
[  328.238827]  ? __bpf_prog_get+0x9b/0x290
[  328.242886]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  328.247717]  ? bpf_prog_test_run+0x130/0x1a0
[  328.252143]  ? __x64_sys_bpf+0x3d8/0x520
[  328.256202]  ? bpf_prog_get+0x20/0x20
[  328.260012]  ? do_syscall_64+0x1b9/0x820
[  328.264079]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  328.269456]  ? syscall_return_slowpath+0x5e0/0x5e0
[  328.274378]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.279216]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.284230]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  328.289245]  ? prepare_exit_to_usermode+0x291/0x3b0
[  328.294315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.299190]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  328.304570] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  328.304658] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  328.311493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  328.311514] Call Trace:
[  328.318201] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  328.327462]  <IRQ>
[  328.330030] syz-executor3 cpuset=syz3 mems_allowed=0
[  328.340502]  dump_stack+0x244/0x39d
[  328.351346]  ? dump_stack_print_info.cold.1+0x20/0x20
[  328.356572]  warn_alloc.cold.116+0xb7/0x1bd
[  328.360891]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  328.365727]  ? lock_downgrade+0x900/0x900
[  328.369921]  ? trace_hardirqs_off+0xb8/0x310
[  328.374344]  ? trace_hardirqs_off+0xb8/0x310
[  328.378793]  __alloc_pages_slowpath+0x26e8/0x2e10
[  328.383674]  ? warn_alloc+0x120/0x120
[  328.387484]  ? print_usage_bug+0xc0/0xc0
[  328.391557]  ? warn_alloc+0x120/0x120
[  328.395362]  ? warn_alloc+0x120/0x120
[  328.399165]  ? print_usage_bug+0xc0/0xc0
[  328.403243]  ? print_usage_bug+0xc0/0xc0
[  328.407315]  ? __lock_acquire+0x62f/0x4c20
[  328.411558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.417125]  ? should_fail+0x22d/0xd01
[  328.421106]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.426209]  ? __lock_acquire+0x62f/0x4c20
[  328.430466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.435561]  ? __lock_acquire+0x62f/0x4c20
[  328.439787]  ? should_fail+0x22d/0xd01
[  328.443699]  ? find_held_lock+0x36/0x1c0
[  328.447762]  ? mark_held_locks+0x130/0x130
[  328.452116]  ? mark_held_locks+0x130/0x130
[  328.456352]  ? zap_class+0x640/0x640
[  328.460076]  ? zap_class+0x640/0x640
[  328.463792]  ? print_usage_bug+0xc0/0xc0
[  328.467842]  ? do_raw_spin_unlock+0xa7/0x330
[  328.472240]  ? zap_class+0x640/0x640
[  328.475958]  ? print_usage_bug+0xc0/0xc0
[  328.480011]  ? wq_watchdog_touch+0x9c/0xfe
[  328.484242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.489824]  ? check_preemption_disabled+0x48/0x280
[  328.494837]  ? __lock_is_held+0xb5/0x140
[  328.498894]  __alloc_pages_nodemask+0xa80/0xde0
[  328.503554]  ? zap_class+0x640/0x640
[  328.507280]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  328.512310]  ? find_held_lock+0x36/0x1c0
[  328.516372]  ? ____cache_alloc_node+0x1c7/0x1e0
[  328.521038]  ? lock_downgrade+0x900/0x900
[  328.525201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.530758]  cache_grow_begin+0xa5/0x8c0
[  328.534808]  ? do_raw_spin_unlock+0xa7/0x330
[  328.539213]  fallback_alloc+0x204/0x2e0
[  328.543183]  ____cache_alloc_node+0x1c7/0x1e0
[  328.547676]  kmem_cache_alloc_node+0xe3/0x730
[  328.552199]  ? ipv6_get_ifaddr+0x42e/0x620
[  328.556483]  __alloc_skb+0x119/0x770
[  328.560187]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.565462]  ? netdev_alloc_frag+0x1f0/0x1f0
[  328.569879]  ? lock_downgrade+0x900/0x900
[  328.574040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.579599]  ? refcount_sub_and_test_checked+0x203/0x310
[  328.585046]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  328.590488]  ? addrconf_rs_timer+0x690/0x690
[  328.594918]  ndisc_alloc_skb+0x144/0x340
[  328.598977]  ndisc_send_rs+0x331/0x6e0
[  328.602861]  addrconf_rs_timer+0x314/0x690
[  328.607136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.611506]  call_timer_fn+0x272/0x920
[  328.615423]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.619655]  ? process_timeout+0x40/0x40
[  328.623721]  ? mark_held_locks+0xc7/0x130
[  328.627893]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.632394]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.636912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.641174]  ? lockdep_hardirqs_on+0x296/0x5b0
[  328.645755]  ? trace_hardirqs_on+0xbd/0x310
[  328.650074]  ? kasan_check_read+0x11/0x20
[  328.654229]  ? __run_timers+0x7da/0xc70
[  328.658204]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.663328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.667581]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.671819]  __run_timers+0x7e5/0xc70
[  328.675638]  ? timer_fixup_init+0x70/0x70
[  328.679799]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  328.684813]  ? zap_class+0x640/0x640
[  328.688529]  ? print_usage_bug+0xc0/0xc0
[  328.692593]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  328.697788]  ? find_held_lock+0x36/0x1c0
[  328.701878]  ? zap_class+0x640/0x640
[  328.705593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.711136]  ? check_preemption_disabled+0x48/0x280
[  328.716161]  ? __lock_is_held+0xb5/0x140
[  328.720237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.725777]  ? check_preemption_disabled+0x48/0x280
[  328.730796]  run_timer_softirq+0x52/0xb0
[  328.734859]  ? rcu_read_lock_sched_held+0x14f/0x180
[  328.739887]  __do_softirq+0x308/0xb7e
[  328.743720]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  328.748218]  ? lock_downgrade+0x900/0x900
[  328.752375]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  328.757503]  ? pvclock_read_flags+0x160/0x160
[  328.762017]  ? lapic_next_event+0x5a/0x90
[  328.766168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.771712]  ? kvm_clock_read+0x18/0x30
[  328.775684]  ? kvm_sched_clock_read+0x9/0x20
[  328.780105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.785674]  ? check_preemption_disabled+0x48/0x280
[  328.790702]  irq_exit+0x17f/0x1c0
[  328.794156]  smp_apic_timer_interrupt+0x1cb/0x760
[  328.798997]  ? smp_reschedule_interrupt+0x109/0x650
[  328.804017]  ? smp_call_function_single_interrupt+0x650/0x650
[  328.809904]  ? interrupt_entry+0xb5/0xc0
[  328.813969]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.818988]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.824006]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.828851]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.833864]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.838878]  ? task_prio+0x50/0x50
[  328.842421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.847962]  ? check_preemption_disabled+0x48/0x280
[  328.853001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.857852]  apic_timer_interrupt+0xf/0x20
[  328.862080]  </IRQ>
[  328.864353] RIP: 0010:dump_stack+0x358/0x39d
[  328.868763] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  328.887661] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  328.895364] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  328.902630] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  328.909901] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  328.917165] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  328.924456] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  328.931738]  ? dump_stack+0x34f/0x39d
[  328.935577]  ? dump_stack_print_info.cold.1+0x20/0x20
[  328.940766]  ? mark_held_locks+0x130/0x130
[  328.945000]  ? mark_held_locks+0x130/0x130
[  328.949236]  dump_header+0x27b/0xf72
[  328.952956]  ? pagefault_out_of_memory+0x197/0x197
[  328.957893]  ? __lock_acquire+0x62f/0x4c20
[  328.962141]  ? percpu_ref_get_many+0x240/0x240
[  328.966728]  ? print_usage_bug+0xc0/0xc0
[  328.970794]  ? zap_class+0x640/0x640
[  328.974512]  ? print_usage_bug+0xc0/0xc0
[  328.978570]  ? print_usage_bug+0xc0/0xc0
[  328.982632]  ? zap_class+0x640/0x640
[  328.986356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.991927]  ? find_held_lock+0x36/0x1c0
[  328.995991]  ? mark_held_locks+0xc7/0x130
[  329.000197]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  329.005335]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  329.010482]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  329.015058]  ? trace_hardirqs_on+0xbd/0x310
[  329.019386]  ? kasan_check_read+0x11/0x20
[  329.023542]  ? ___ratelimit+0x3b4/0x672
[  329.027539]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.032642]  ? trace_hardirqs_on+0x310/0x310
[  329.037062]  ? lock_downgrade+0x900/0x900
[  329.041242]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  329.046362]  ? ___ratelimit+0x3b9/0x672
[  329.050331]  ? idr_get_free+0xf70/0xf70
[  329.054327]  ? find_held_lock+0x36/0x1c0
[  329.058427]  oom_kill_process.cold.27+0x10/0x903
[  329.063209]  ? zap_class+0x640/0x640
[  329.066935]  ? check_preemption_disabled+0x48/0x280
[  329.071948]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.076884]  ? kasan_check_read+0x11/0x20
[  329.081056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.086328]  ? oom_evaluate_task+0x540/0x540
[  329.090733]  ? find_held_lock+0x36/0x1c0
[  329.094793]  ? out_of_memory+0x974/0x1430
[  329.098934]  ? lock_downgrade+0x900/0x900
[  329.103074]  ? check_preemption_disabled+0x48/0x280
[  329.108108]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.113049]  ? kasan_check_read+0x11/0x20
[  329.117193]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.122462]  ? rcu_softirq_qs+0x20/0x20
[  329.126448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.131977]  ? oom_evaluate_task+0x302/0x540
[  329.136383]  out_of_memory+0xa84/0x1430
[  329.140407]  ? oom_killer_disable+0x3a0/0x3a0
[  329.144901]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  329.149842]  ? __ww_mutex_check_waiters+0x160/0x160
[  329.154876]  __alloc_pages_slowpath+0x2354/0x2e10
[  329.159763]  ? warn_alloc+0x120/0x120
[  329.163586]  ? mark_held_locks+0x130/0x130
[  329.167819]  ? find_get_entry+0xaae/0x1120
[  329.172058]  ? filemap_map_pages+0x1a20/0x1a20
[  329.176641]  ? zap_class+0x640/0x640
[  329.180388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.185924]  ? check_preemption_disabled+0x48/0x280
[  329.190934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.196486]  ? should_fail+0x22d/0xd01
[  329.200374]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.205491]  ? zap_class+0x640/0x640
[  329.209238]  ? __lock_is_held+0xb5/0x140
[  329.213310]  ? mark_held_locks+0x130/0x130
[  329.217542]  ? lock_release+0xa00/0xa00
[  329.221527]  ? perf_trace_sched_process_exec+0x860/0x860
[  329.226987]  ? xa_load+0x2ba/0x460
[  329.230524]  ? lock_downgrade+0x900/0x900
[  329.234672]  ? __might_sleep+0x95/0x190
[  329.238646]  __alloc_pages_nodemask+0xa80/0xde0
[  329.243329]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  329.248376]  ? __page_cache_alloc+0x191/0x5c0
[  329.252866]  ? xa_load+0x2e1/0x460
[  329.256400]  ? xa_clear_mark+0x40/0x40
[  329.260295]  ? zap_class+0x640/0x640
[  329.264007]  ? zap_class+0x640/0x640
[  329.267751]  ? zap_class+0x640/0x640
[  329.271501]  ? __do_page_cache_readahead+0x663/0x810
[  329.276602]  ? find_held_lock+0x36/0x1c0
[  329.281479]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  329.287067]  alloc_pages_current+0x173/0x350
[  329.291502]  __page_cache_alloc+0x38c/0x5c0
[  329.295819]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.300742]  ? kasan_check_read+0x11/0x20
[  329.304915]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.310198]  ? generic_perform_write+0x6a0/0x6a0
[  329.314996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.320541]  ? check_preemption_disabled+0x48/0x280
[  329.325586]  filemap_fault+0x1595/0x25f0
[  329.329658]  ? __lock_page_or_retry+0xa00/0xa00
[  329.334329]  ? mark_held_locks+0x130/0x130
[  329.338607]  ? filemap_map_pages+0xd6b/0x1a20
[  329.343137]  ? lock_downgrade+0x900/0x900
[  329.347279]  ? check_preemption_disabled+0x48/0x280
[  329.352293]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.357217]  ? kasan_check_read+0x11/0x20
[  329.361391]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.366684]  ? rcu_softirq_qs+0x20/0x20
[  329.370691]  ? filemap_map_pages+0xd92/0x1a20
[  329.375210]  ? find_get_entries_tag+0x1400/0x1400
[  329.380050]  ? debug_object_destroy+0x2b0/0x2b0
[  329.384742]  ? lock_pi_update_atomic+0x150/0x150
[  329.389492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.395038]  ? lock_acquire+0x1ed/0x520
[  329.399008]  ? ext4_filemap_fault+0x7a/0xad
[  329.403345]  ? lock_release+0xa00/0xa00
[  329.407328]  ? perf_trace_sched_process_exec+0x860/0x860
[  329.412789]  ? print_usage_bug+0xc0/0xc0
[  329.416862]  ? print_usage_bug+0xc0/0xc0
[  329.420944]  ? down_read+0x8d/0x120
[  329.424567]  ? ext4_filemap_fault+0x7a/0xad
[  329.428901]  ? __down_interruptible+0x700/0x700
[  329.433582]  ext4_filemap_fault+0x82/0xad
[  329.437742]  __do_fault+0x100/0x6b0
[  329.441375]  ? pmd_devmap_trans_unstable+0x220/0x220
[  329.446473]  ? mark_held_locks+0x130/0x130
[  329.450700]  ? mark_held_locks+0x130/0x130
[  329.454931]  ? debug_smp_processor_id+0x1c/0x20
[  329.459593]  ? perf_trace_lock+0x14d/0x7a0
[  329.463822]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  329.469458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.475009]  __handle_mm_fault+0x3ea0/0x5be0
[  329.479435]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  329.484304]  ? lock_is_held_type+0x210/0x210
[  329.488711]  ? file_remove_privs+0x540/0x540
[  329.493172]  ? zap_class+0x640/0x640
[  329.496895]  ? zap_class+0x640/0x640
[  329.500602]  ? __x64_sys_futex+0x53e/0x6a0
[  329.504851]  ? find_held_lock+0x36/0x1c0
[  329.508911]  ? handle_mm_fault+0x42a/0xc70
[  329.513141]  ? lock_downgrade+0x900/0x900
[  329.517284]  ? check_preemption_disabled+0x48/0x280
[  329.522300]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  329.527228]  ? kasan_check_read+0x11/0x20
[  329.531382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.536663]  ? rcu_softirq_qs+0x20/0x20
[  329.540633]  ? trace_hardirqs_off_caller+0x310/0x310
[  329.545728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.551259]  ? check_preemption_disabled+0x48/0x280
[  329.556275]  handle_mm_fault+0x54f/0xc70
[  329.560338]  ? __handle_mm_fault+0x5be0/0x5be0
[  329.564926]  ? find_vma+0x34/0x190
[  329.568468]  __do_page_fault+0x5e8/0xe60
[  329.572553]  ? trace_hardirqs_off+0xb8/0x310
[  329.576966]  do_page_fault+0xf2/0x7e0
[  329.580772]  ? vmalloc_sync_all+0x30/0x30
[  329.584916]  ? error_entry+0x70/0xd0
[  329.588642]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.593654]  ? trace_hardirqs_on_caller+0xc0/0x310
[  329.598596]  ? syscall_return_slowpath+0x5e0/0x5e0
[  329.603518]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.608359]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.613369]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  329.618863]  ? prepare_exit_to_usermode+0x291/0x3b0
[  329.623896]  ? page_fault+0x8/0x30
[  329.627448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.632286]  ? page_fault+0x8/0x30
[  329.635831]  page_fault+0x1e/0x30
[  329.639287] RIP: 0033:0x40f9c0
[  329.642490] Code: Bad RIP value.
[  329.645865] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  329.651234] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  329.658495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  329.665753] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  329.673012] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  329.680305] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  329.687617] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  329.687622] warn_alloc_show_mem: 1 callbacks suppressed
[  329.687629] Mem-Info:
[  329.694816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  329.700195] active_anon:50082 inactive_anon:201 isolated_anon:0
[  329.700195]  active_file:11 inactive_file:13 isolated_file:0
[  329.700195]  unevictable:0 dirty:0 writeback:0 unstable:0
[  329.700195]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  329.700195]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  329.700195]  free:13738 free_pcp:300 free_cma:0
[  329.702561] Call Trace:
[  329.711939] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  329.744792]  <IRQ>
[  329.747374] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  329.774881]  dump_stack+0x244/0x39d
[  329.776998] lowmem_reserve[]: 0 2818 6321 6321
[  329.803117]  ? dump_stack_print_info.cold.1+0x20/0x20
[  329.806715] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  329.811327]  warn_alloc.cold.116+0xb7/0x1bd
[  329.816480] lowmem_reserve[]: 0 0 3503 3503
[  329.844057]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  329.848351] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  329.852665]  ? lock_downgrade+0x900/0x900
[  329.857478] lowmem_reserve[]: 0 0 0 0
[  329.886372]  ? trace_hardirqs_off+0xb8/0x310
[  329.890489] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  329.894301]  ? trace_hardirqs_off+0xb8/0x310
[  329.898685] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  329.912208]  __alloc_pages_slowpath+0x26e8/0x2e10
[  329.916587] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  329.931690]  ? warn_alloc+0x120/0x120
[  329.936492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  329.951044]  ? print_usage_bug+0xc0/0xc0
[  329.954835] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  329.963656]  ? warn_alloc+0x120/0x120
[  329.967693] 268 total pagecache pages
[  329.976261]  ? warn_alloc+0x120/0x120
[  329.980041] 0 pages in swap cache
[  329.983826]  ? print_usage_bug+0xc0/0xc0
[  329.987619] Swap cache stats: add 0, delete 0, find 0/0
[  329.991061]  ? kvm_clock_read+0x18/0x30
[  329.995107] Free swap  = 0kB
[  330.000460]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  330.004421] Total swap = 0kB
[  330.007427]  ? print_usage_bug+0xc0/0xc0
[  330.012416] 1965979 pages RAM
[  330.015444]  ? __lock_acquire+0x62f/0x4c20
[  330.019479] 0 pages HighMem/MovableOnly
[  330.022577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.026782] 342853 pages reserved
[  330.030743]  ? should_fail+0x22d/0xd01
[  330.036258] 0 pages cma reserved
[  330.039742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.043678] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  330.046976]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.052285] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  330.058709]  ? __lock_acquire+0x62f/0x4c20
[  330.063849] syz-fuzzer cpuset=/ mems_allowed=0
[  330.074097]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.087992]  ? __lock_acquire+0x62f/0x4c20
[  330.092220]  ? should_fail+0x22d/0xd01
[  330.096105]  ? rcu_irq_exit+0x1a2/0x390
[  330.100079]  ? mark_held_locks+0x130/0x130
[  330.104331]  ? mark_held_locks+0x130/0x130
[  330.108575]  ? mark_held_locks+0xc7/0x130
[  330.112719]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  330.117738]  ? zap_class+0x640/0x640
[  330.121461]  ? print_usage_bug+0xc0/0xc0
[  330.125545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.131079]  ? check_preemption_disabled+0x48/0x280
[  330.136124]  ? __lock_is_held+0xb5/0x140
[  330.140204]  __alloc_pages_nodemask+0xa80/0xde0
[  330.144896]  ? zap_class+0x640/0x640
[  330.148633]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  330.153670]  ? find_held_lock+0x36/0x1c0
[  330.157733]  ? ____cache_alloc_node+0x1c7/0x1e0
[  330.162399]  ? lock_downgrade+0x900/0x900
[  330.166549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.172121]  cache_grow_begin+0xa5/0x8c0
[  330.176196]  ? do_raw_spin_unlock+0xa7/0x330
[  330.180642]  fallback_alloc+0x204/0x2e0
[  330.184637]  ____cache_alloc_node+0x1c7/0x1e0
[  330.189151]  kmem_cache_alloc_node+0xe3/0x730
[  330.193645]  ? ipv6_get_ifaddr+0x42e/0x620
[  330.197884]  __alloc_skb+0x119/0x770
[  330.201594]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.206889]  ? netdev_alloc_frag+0x1f0/0x1f0
[  330.211297]  ? lock_downgrade+0x900/0x900
[  330.215461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.220993]  ? refcount_sub_and_test_checked+0x203/0x310
[  330.226440]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  330.231898]  ? addrconf_rs_timer+0x690/0x690
[  330.236326]  ndisc_alloc_skb+0x144/0x340
[  330.240405]  ndisc_send_rs+0x331/0x6e0
[  330.244348]  addrconf_rs_timer+0x314/0x690
[  330.248595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.252852]  call_timer_fn+0x272/0x920
[  330.256749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.260993]  ? process_timeout+0x40/0x40
[  330.265053]  ? __run_timers+0x7da/0xc70
[  330.269036]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.273529]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.278016]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.282245]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.286839]  ? trace_hardirqs_on+0xbd/0x310
[  330.291153]  ? kasan_check_read+0x11/0x20
[  330.295296]  ? __run_timers+0x7da/0xc70
[  330.299286]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.304386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.308621]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.312849]  __run_timers+0x7e5/0xc70
[  330.316840]  ? timer_fixup_init+0x70/0x70
[  330.320988]  ? kasan_check_read+0x11/0x20
[  330.325142]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.330428]  ? rcu_softirq_qs+0x20/0x20
[  330.334400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.339960]  ? check_preemption_disabled+0x48/0x280
[  330.344991]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  330.349759]  ? retint_kernel+0x2d/0x2d
[  330.353656]  ? trace_hardirqs_on_caller+0xc0/0x310
[  330.358582]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  330.363357]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  330.368817]  ? zap_class+0x640/0x640
[  330.372550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.378088]  ? check_preemption_disabled+0x48/0x280
[  330.383167]  ? __lock_is_held+0xb5/0x140
[  330.387242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.392779]  ? check_preemption_disabled+0x48/0x280
[  330.397808]  run_timer_softirq+0x52/0xb0
[  330.401937]  ? rcu_read_lock_sched_held+0x14f/0x180
[  330.406951]  __do_softirq+0x308/0xb7e
[  330.410751]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  330.415240]  ? lock_downgrade+0x900/0x900
[  330.419387]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  330.424492]  ? pvclock_read_flags+0x160/0x160
[  330.428984]  ? lapic_next_event+0x5a/0x90
[  330.433142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.438682]  ? kvm_clock_read+0x18/0x30
[  330.442649]  ? kvm_sched_clock_read+0x9/0x20
[  330.447081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.453132]  ? check_preemption_disabled+0x48/0x280
[  330.458155]  irq_exit+0x17f/0x1c0
[  330.461613]  smp_apic_timer_interrupt+0x1cb/0x760
[  330.466466]  ? smp_reschedule_interrupt+0x109/0x650
[  330.471504]  ? smp_call_function_single_interrupt+0x650/0x650
[  330.477386]  ? interrupt_entry+0xb5/0xc0
[  330.481446]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.486455]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.491487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.496327]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.501336]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.506351]  ? task_prio+0x50/0x50
[  330.509885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.515416]  ? check_preemption_disabled+0x48/0x280
[  330.520431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.525276]  apic_timer_interrupt+0xf/0x20
[  330.529497]  </IRQ>
[  330.531745] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  330.536673] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  330.555563] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  330.563262] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  330.570521] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  330.577797] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  330.585075] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  330.592363] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  330.599708]  skb_clone+0x1bb/0x500
[  330.603248]  ? finish_task_switch+0x1b4/0x910
[  330.607739]  ? skb_split+0x11e0/0x11e0
[  330.611627]  ? preempt_notifier_register+0x200/0x200
[  330.616724]  ? __switch_to_asm+0x34/0x70
[  330.620793]  ? __switch_to_asm+0x34/0x70
[  330.624861]  ? __switch_to_asm+0x40/0x70
[  330.628912]  ? __switch_to_asm+0x34/0x70
[  330.632969]  ? __switch_to_asm+0x40/0x70
[  330.637024]  ? __switch_to_asm+0x34/0x70
[  330.641101]  ? __switch_to_asm+0x40/0x70
[  330.645175]  ? __switch_to_asm+0x34/0x70
[  330.649231]  ? __switch_to_asm+0x34/0x70
[  330.653291]  ? __switch_to_asm+0x40/0x70
[  330.657358]  ? __switch_to_asm+0x34/0x70
[  330.661418]  bpf_clone_redirect+0xb9/0x490
[  330.665650]  ? __schedule+0x8d7/0x21d0
[  330.669537]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  330.674560]  ? __sched_text_start+0x8/0x8
[  330.678706]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  330.683281]  ? retint_kernel+0x2d/0x2d
[  330.687163]  ? trace_hardirqs_on_caller+0xc0/0x310
[  330.692098]  ? find_held_lock+0x36/0x1c0
[  330.696179]  ? lock_acquire+0x1ed/0x520
[  330.700185]  ? bpf_test_run+0x3cb/0x780
[  330.704158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.709692]  ? check_preemption_disabled+0x48/0x280
[  330.714713]  ? kasan_check_read+0x11/0x20
[  330.718858]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.724129]  ? rcu_softirq_qs+0x20/0x20
[  330.728106]  ? preempt_schedule+0x4d/0x60
[  330.732270]  ? ___preempt_schedule+0x16/0x18
[  330.736683]  ? bpf_test_run+0x25d/0x780
[  330.740665]  ? netlink_diag_dump+0x2a0/0x2a0
[  330.745074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.750645]  ? bpf_test_init.isra.10+0x70/0x100
[  330.755333]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  330.760107]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  330.764949]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  330.770485]  ? fput+0x130/0x1a0
[  330.773768]  ? __bpf_prog_get+0x9b/0x290
[  330.777845]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  330.782684]  ? bpf_prog_test_run+0x130/0x1a0
[  330.787103]  ? __x64_sys_bpf+0x3d8/0x520
[  330.791183]  ? bpf_prog_get+0x20/0x20
[  330.795002]  ? do_syscall_64+0x1b9/0x820
[  330.799074]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  330.804460]  ? syscall_return_slowpath+0x5e0/0x5e0
[  330.809385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.814230]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.819260]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  330.824297]  ? prepare_exit_to_usermode+0x291/0x3b0
[  330.829320]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.834165]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  330.839567] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  330.839661] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  330.846515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  330.846521] Call Trace:
[  330.846528]  <IRQ>
[  330.846546]  dump_stack+0x244/0x39d
[  330.846563]  ? dump_stack_print_info.cold.1+0x20/0x20
[  330.853119] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  330.862405]  warn_alloc.cold.116+0xb7/0x1bd
[  330.864955] syz-executor3 cpuset=syz3 mems_allowed=0
[  330.867126]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  330.900600]  ? lock_downgrade+0x900/0x900
[  330.904772]  ? trace_hardirqs_off+0xb8/0x310
[  330.909188]  ? trace_hardirqs_off+0xb8/0x310
[  330.913603]  __alloc_pages_slowpath+0x26e8/0x2e10
[  330.918473]  ? warn_alloc+0x120/0x120
[  330.922274]  ? print_usage_bug+0xc0/0xc0
[  330.926367]  ? warn_alloc+0x120/0x120
[  330.930179]  ? warn_alloc+0x120/0x120
[  330.933983]  ? print_usage_bug+0xc0/0xc0
[  330.938064]  ? print_usage_bug+0xc0/0xc0
[  330.942135]  ? __lock_acquire+0x62f/0x4c20
[  330.946383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.951939]  ? should_fail+0x22d/0xd01
[  330.955831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.960934]  ? __lock_acquire+0x62f/0x4c20
[  330.965187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.970290]  ? __lock_acquire+0x62f/0x4c20
[  330.974519]  ? should_fail+0x22d/0xd01
[  330.978418]  ? find_held_lock+0x36/0x1c0
[  330.982486]  ? mark_held_locks+0x130/0x130
[  330.986720]  ? mark_held_locks+0x130/0x130
[  330.990946]  ? zap_class+0x640/0x640
[  330.994654]  ? zap_class+0x640/0x640
[  330.998376]  ? print_usage_bug+0xc0/0xc0
[  331.002453]  ? do_raw_spin_unlock+0xa7/0x330
[  331.006857]  ? zap_class+0x640/0x640
[  331.010566]  ? print_usage_bug+0xc0/0xc0
[  331.014639]  ? wq_watchdog_touch+0x9c/0xfe
[  331.018889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.024434]  ? check_preemption_disabled+0x48/0x280
[  331.029469]  ? __lock_is_held+0xb5/0x140
[  331.033544]  __alloc_pages_nodemask+0xa80/0xde0
[  331.038239]  ? zap_class+0x640/0x640
[  331.041968]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  331.046989]  ? find_held_lock+0x36/0x1c0
[  331.051055]  ? ____cache_alloc_node+0x1c7/0x1e0
[  331.055718]  ? lock_downgrade+0x900/0x900
[  331.059865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.065418]  cache_grow_begin+0xa5/0x8c0
[  331.069511]  ? do_raw_spin_unlock+0xa7/0x330
[  331.073935]  fallback_alloc+0x204/0x2e0
[  331.077952]  ____cache_alloc_node+0x1c7/0x1e0
[  331.082476]  kmem_cache_alloc_node+0xe3/0x730
[  331.086998]  ? ipv6_get_ifaddr+0x42e/0x620
[  331.091241]  __alloc_skb+0x119/0x770
[  331.094965]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.100245]  ? netdev_alloc_frag+0x1f0/0x1f0
[  331.104650]  ? lock_downgrade+0x900/0x900
[  331.108901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.114432]  ? refcount_sub_and_test_checked+0x203/0x310
[  331.119918]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  331.125363]  ? addrconf_rs_timer+0x690/0x690
[  331.129777]  ndisc_alloc_skb+0x144/0x340
[  331.133850]  ndisc_send_rs+0x331/0x6e0
[  331.137749]  addrconf_rs_timer+0x314/0x690
[  331.141982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.146218]  call_timer_fn+0x272/0x920
[  331.150154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.154491]  ? process_timeout+0x40/0x40
[  331.158560]  ? mark_held_locks+0xc7/0x130
[  331.162720]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.167209]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.171699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.175932]  ? lockdep_hardirqs_on+0x296/0x5b0
[  331.180514]  ? trace_hardirqs_on+0xbd/0x310
[  331.184831]  ? kasan_check_read+0x11/0x20
[  331.188973]  ? __run_timers+0x7da/0xc70
[  331.192946]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.198053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.202295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.206526]  __run_timers+0x7e5/0xc70
[  331.210351]  ? timer_fixup_init+0x70/0x70
[  331.214533]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  331.219547]  ? zap_class+0x640/0x640
[  331.223264]  ? print_usage_bug+0xc0/0xc0
[  331.227341]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  331.232568]  ? find_held_lock+0x36/0x1c0
[  331.236649]  ? zap_class+0x640/0x640
[  331.240378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.245911]  ? check_preemption_disabled+0x48/0x280
[  331.250927]  ? __lock_is_held+0xb5/0x140
[  331.254983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.260514]  ? check_preemption_disabled+0x48/0x280
[  331.265530]  run_timer_softirq+0x52/0xb0
[  331.269614]  ? rcu_read_lock_sched_held+0x14f/0x180
[  331.274625]  __do_softirq+0x308/0xb7e
[  331.278424]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  331.282921]  ? lock_downgrade+0x900/0x900
[  331.287066]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  331.292184]  ? pvclock_read_flags+0x160/0x160
[  331.296715]  ? lapic_next_event+0x5a/0x90
[  331.300876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.306418]  ? kvm_clock_read+0x18/0x30
[  331.310388]  ? kvm_sched_clock_read+0x9/0x20
[  331.314792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.320794]  ? check_preemption_disabled+0x48/0x280
[  331.325836]  irq_exit+0x17f/0x1c0
[  331.329346]  smp_apic_timer_interrupt+0x1cb/0x760
[  331.334214]  ? smp_reschedule_interrupt+0x109/0x650
[  331.339238]  ? smp_call_function_single_interrupt+0x650/0x650
[  331.345136]  ? interrupt_entry+0xb5/0xc0
[  331.349209]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.354225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.359239]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.364080]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.369142]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.374159]  ? task_prio+0x50/0x50
[  331.377695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.383245]  ? check_preemption_disabled+0x48/0x280
[  331.388259]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.393157]  apic_timer_interrupt+0xf/0x20
[  331.397392]  </IRQ>
[  331.399625] RIP: 0010:dump_stack+0x358/0x39d
[  331.404047] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  331.422942] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  331.430640] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  331.437903] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  331.445182] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  331.452455] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  331.459717] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  331.467001]  ? dump_stack+0x34f/0x39d
[  331.470809]  ? dump_stack_print_info.cold.1+0x20/0x20
[  331.476022]  ? mark_held_locks+0x130/0x130
[  331.480255]  ? mark_held_locks+0x130/0x130
[  331.484487]  dump_header+0x27b/0xf72
[  331.488202]  ? pagefault_out_of_memory+0x197/0x197
[  331.493168]  ? __lock_acquire+0x62f/0x4c20
[  331.497399]  ? percpu_ref_get_many+0x240/0x240
[  331.501993]  ? print_usage_bug+0xc0/0xc0
[  331.506050]  ? zap_class+0x640/0x640
[  331.509756]  ? print_usage_bug+0xc0/0xc0
[  331.513808]  ? print_usage_bug+0xc0/0xc0
[  331.517861]  ? zap_class+0x640/0x640
[  331.521579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.527120]  ? find_held_lock+0x36/0x1c0
[  331.531197]  ? mark_held_locks+0xc7/0x130
[  331.535338]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  331.540448]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  331.545543]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  331.550139]  ? trace_hardirqs_on+0xbd/0x310
[  331.554452]  ? kasan_check_read+0x11/0x20
[  331.558595]  ? ___ratelimit+0x3b4/0x672
[  331.562564]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.567684]  ? trace_hardirqs_on+0x310/0x310
[  331.572083]  ? lock_downgrade+0x900/0x900
[  331.576260]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  331.581373]  ? ___ratelimit+0x3b9/0x672
[  331.585346]  ? idr_get_free+0xf70/0xf70
[  331.589316]  ? find_held_lock+0x36/0x1c0
[  331.593379]  oom_kill_process.cold.27+0x10/0x903
[  331.598164]  ? zap_class+0x640/0x640
[  331.601887]  ? check_preemption_disabled+0x48/0x280
[  331.606930]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.611850]  ? kasan_check_read+0x11/0x20
[  331.616001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.621301]  ? oom_evaluate_task+0x540/0x540
[  331.625744]  ? find_held_lock+0x36/0x1c0
[  331.629820]  ? out_of_memory+0x974/0x1430
[  331.633961]  ? lock_downgrade+0x900/0x900
[  331.638139]  ? check_preemption_disabled+0x48/0x280
[  331.643170]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.648097]  ? kasan_check_read+0x11/0x20
[  331.652260]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.657529]  ? rcu_softirq_qs+0x20/0x20
[  331.661505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.667032]  ? oom_evaluate_task+0x302/0x540
[  331.671468]  out_of_memory+0xa84/0x1430
[  331.675471]  ? oom_killer_disable+0x3a0/0x3a0
[  331.679963]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  331.684890]  ? __ww_mutex_check_waiters+0x160/0x160
[  331.689908]  __alloc_pages_slowpath+0x2354/0x2e10
[  331.694830]  ? warn_alloc+0x120/0x120
[  331.698635]  ? mark_held_locks+0x130/0x130
[  331.702875]  ? find_get_entry+0xaae/0x1120
[  331.707125]  ? filemap_map_pages+0x1a20/0x1a20
[  331.711731]  ? zap_class+0x640/0x640
[  331.715490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.721021]  ? check_preemption_disabled+0x48/0x280
[  331.726031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.731565]  ? should_fail+0x22d/0xd01
[  331.735459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.740597]  ? zap_class+0x640/0x640
[  331.744358]  ? __lock_is_held+0xb5/0x140
[  331.748448]  ? mark_held_locks+0x130/0x130
[  331.752681]  ? lock_release+0xa00/0xa00
[  331.756655]  ? perf_trace_sched_process_exec+0x860/0x860
[  331.762113]  ? xa_load+0x2ba/0x460
[  331.765657]  ? lock_downgrade+0x900/0x900
[  331.769806]  ? __might_sleep+0x95/0x190
[  331.773809]  __alloc_pages_nodemask+0xa80/0xde0
[  331.778479]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  331.783533]  ? __page_cache_alloc+0x191/0x5c0
[  331.788021]  ? xa_load+0x2e1/0x460
[  331.791580]  ? xa_clear_mark+0x40/0x40
[  331.795466]  ? zap_class+0x640/0x640
[  331.799183]  ? zap_class+0x640/0x640
[  331.802891]  ? zap_class+0x640/0x640
[  331.806599]  ? __do_page_cache_readahead+0x663/0x810
[  331.811702]  ? find_held_lock+0x36/0x1c0
[  331.815765]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  331.821306]  alloc_pages_current+0x173/0x350
[  331.825745]  __page_cache_alloc+0x38c/0x5c0
[  331.830060]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.834991]  ? kasan_check_read+0x11/0x20
[  331.839137]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.844413]  ? generic_perform_write+0x6a0/0x6a0
[  331.849182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.854732]  ? check_preemption_disabled+0x48/0x280
[  331.859774]  filemap_fault+0x1595/0x25f0
[  331.863846]  ? __lock_page_or_retry+0xa00/0xa00
[  331.868518]  ? mark_held_locks+0x130/0x130
[  331.872758]  ? filemap_map_pages+0xd6b/0x1a20
[  331.877255]  ? lock_downgrade+0x900/0x900
[  331.881431]  ? check_preemption_disabled+0x48/0x280
[  331.886445]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.891388]  ? kasan_check_read+0x11/0x20
[  331.895548]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.900822]  ? rcu_softirq_qs+0x20/0x20
[  331.904807]  ? filemap_map_pages+0xd92/0x1a20
[  331.909308]  ? find_get_entries_tag+0x1400/0x1400
[  331.914147]  ? debug_object_destroy+0x2b0/0x2b0
[  331.918813]  ? lock_pi_update_atomic+0x150/0x150
[  331.923582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.929150]  ? lock_acquire+0x1ed/0x520
[  331.933131]  ? ext4_filemap_fault+0x7a/0xad
[  331.937468]  ? lock_release+0xa00/0xa00
[  331.941454]  ? perf_trace_sched_process_exec+0x860/0x860
[  331.946916]  ? print_usage_bug+0xc0/0xc0
[  331.950975]  ? print_usage_bug+0xc0/0xc0
[  331.955046]  ? down_read+0x8d/0x120
[  331.958667]  ? ext4_filemap_fault+0x7a/0xad
[  331.962987]  ? __down_interruptible+0x700/0x700
[  331.967659]  ext4_filemap_fault+0x82/0xad
[  331.971807]  __do_fault+0x100/0x6b0
[  331.975451]  ? pmd_devmap_trans_unstable+0x220/0x220
[  331.980552]  ? mark_held_locks+0x130/0x130
[  331.984786]  ? mark_held_locks+0x130/0x130
[  331.989025]  ? debug_smp_processor_id+0x1c/0x20
[  331.993694]  ? perf_trace_lock+0x14d/0x7a0
[  331.997923]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  332.003544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.009084]  __handle_mm_fault+0x3ea0/0x5be0
[  332.013511]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  332.018381]  ? lock_is_held_type+0x210/0x210
[  332.022785]  ? file_remove_privs+0x540/0x540
[  332.027197]  ? zap_class+0x640/0x640
[  332.030911]  ? zap_class+0x640/0x640
[  332.034632]  ? __x64_sys_futex+0x53e/0x6a0
[  332.038868]  ? find_held_lock+0x36/0x1c0
[  332.042931]  ? handle_mm_fault+0x42a/0xc70
[  332.047160]  ? lock_downgrade+0x900/0x900
[  332.051305]  ? check_preemption_disabled+0x48/0x280
[  332.056335]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  332.061285]  ? kasan_check_read+0x11/0x20
[  332.065458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.070730]  ? rcu_softirq_qs+0x20/0x20
[  332.074724]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.079823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.085373]  ? check_preemption_disabled+0x48/0x280
[  332.090410]  handle_mm_fault+0x54f/0xc70
[  332.094485]  ? __handle_mm_fault+0x5be0/0x5be0
[  332.099079]  ? find_vma+0x34/0x190
[  332.102627]  __do_page_fault+0x5e8/0xe60
[  332.106685]  ? trace_hardirqs_off+0xb8/0x310
[  332.111134]  do_page_fault+0xf2/0x7e0
[  332.114929]  ? vmalloc_sync_all+0x30/0x30
[  332.119067]  ? error_entry+0x70/0xd0
[  332.122786]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.127795]  ? trace_hardirqs_on_caller+0xc0/0x310
[  332.132735]  ? syscall_return_slowpath+0x5e0/0x5e0
[  332.137659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.142546]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.147588]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  332.153037]  ? prepare_exit_to_usermode+0x291/0x3b0
[  332.158051]  ? page_fault+0x8/0x30
[  332.161634]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.166477]  ? page_fault+0x8/0x30
[  332.170040]  page_fault+0x1e/0x30
[  332.173537] RIP: 0033:0x40f9c0
[  332.176741] Code: Bad RIP value.
[  332.180112] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  332.185475] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  332.192738] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  332.200004] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  332.207266] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  332.214543] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  332.221855] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  332.221860] warn_alloc_show_mem: 1 callbacks suppressed
[  332.221866] Mem-Info:
[  332.229075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  332.234444] active_anon:50082 inactive_anon:201 isolated_anon:0
[  332.234444]  active_file:11 inactive_file:13 isolated_file:0
[  332.234444]  unevictable:0 dirty:0 writeback:0 unstable:0
[  332.234444]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  332.234444]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  332.234444]  free:13738 free_pcp:300 free_cma:0
[  332.236812] Call Trace:
[  332.246205] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  332.279043]  <IRQ>
[  332.281624] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  332.309124]  dump_stack+0x244/0x39d
[  332.311261] lowmem_reserve[]: 0 2818 6321 6321
[  332.337498]  ? dump_stack_print_info.cold.1+0x20/0x20
[  332.341172] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  332.345781]  warn_alloc.cold.116+0xb7/0x1bd
[  332.350934] lowmem_reserve[]: 0 0 3503 3503
[  332.378507]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  332.382803] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  332.387121]  ? lock_downgrade+0x900/0x900
[  332.391954] lowmem_reserve[]: 0 0 0 0
[  332.420831]  ? trace_hardirqs_off+0xb8/0x310
[  332.424948] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  332.428747]  ? trace_hardirqs_off+0xb8/0x310
[  332.433124] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  332.446651]  __alloc_pages_slowpath+0x26e8/0x2e10
[  332.451195] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  332.466285]  ? warn_alloc+0x120/0x120
[  332.471116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  332.485692]  ? print_usage_bug+0xc0/0xc0
[  332.489469] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  332.498299]  ? warn_alloc+0x120/0x120
[  332.502335] 268 total pagecache pages
[  332.510919]  ? warn_alloc+0x120/0x120
[  332.514712] 0 pages in swap cache
[  332.518537]  ? print_usage_bug+0xc0/0xc0
[  332.522312] Swap cache stats: add 0, delete 0, find 0/0
[  332.525750]  ? print_usage_bug+0xc0/0xc0
[  332.529781] Free swap  = 0kB
[  332.535129]  ? __lock_acquire+0x62f/0x4c20
[  332.539163] Total swap = 0kB
[  332.542213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.546458] 1965979 pages RAM
[  332.549466]  ? should_fail+0x22d/0xd01
[  332.554973] 0 pages HighMem/MovableOnly
[  332.558075]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.561978] 342853 pages reserved
[  332.565955]  ? __lock_acquire+0x62f/0x4c20
[  332.571029] 0 pages cma reserved
[  332.574491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.578771] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  332.582072]  ? __lock_acquire+0x62f/0x4c20
[  332.582087]  ? should_fail+0x22d/0xd01
[  332.587289] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  332.593686]  ? find_held_lock+0x36/0x1c0
[  332.597924] syz-fuzzer cpuset=/ mems_allowed=0
[  332.601815]  ? mark_held_locks+0x130/0x130
[  332.624848]  ? mark_held_locks+0x130/0x130
[  332.629077]  ? zap_class+0x640/0x640
[  332.632808]  ? zap_class+0x640/0x640
[  332.636528]  ? print_usage_bug+0xc0/0xc0
[  332.640589]  ? do_raw_spin_unlock+0xa7/0x330
[  332.645033]  ? zap_class+0x640/0x640
[  332.648745]  ? print_usage_bug+0xc0/0xc0
[  332.652803]  ? wq_watchdog_touch+0x9c/0xfe
[  332.657035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.662568]  ? check_preemption_disabled+0x48/0x280
[  332.667588]  ? __lock_is_held+0xb5/0x140
[  332.671659]  __alloc_pages_nodemask+0xa80/0xde0
[  332.676327]  ? zap_class+0x640/0x640
[  332.680044]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  332.685082]  ? find_held_lock+0x36/0x1c0
[  332.689176]  ? ____cache_alloc_node+0x1c7/0x1e0
[  332.693845]  ? lock_downgrade+0x900/0x900
[  332.698001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.703539]  cache_grow_begin+0xa5/0x8c0
[  332.707616]  ? do_raw_spin_unlock+0xa7/0x330
[  332.712041]  fallback_alloc+0x204/0x2e0
[  332.716017]  ____cache_alloc_node+0x1c7/0x1e0
[  332.720513]  kmem_cache_alloc_node+0xe3/0x730
[  332.725004]  ? ipv6_get_ifaddr+0x42e/0x620
[  332.729244]  __alloc_skb+0x119/0x770
[  332.732973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.738282]  ? netdev_alloc_frag+0x1f0/0x1f0
[  332.742689]  ? lock_downgrade+0x900/0x900
[  332.746843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.752380]  ? refcount_sub_and_test_checked+0x203/0x310
[  332.757865]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  332.763331]  ? addrconf_rs_timer+0x690/0x690
[  332.767783]  ndisc_alloc_skb+0x144/0x340
[  332.771842]  ndisc_send_rs+0x331/0x6e0
[  332.775749]  addrconf_rs_timer+0x314/0x690
[  332.780001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.784241]  call_timer_fn+0x272/0x920
[  332.788126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.792362]  ? process_timeout+0x40/0x40
[  332.796436]  ? __run_timers+0x7da/0xc70
[  332.800412]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.804920]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.809428]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.813659]  ? lockdep_hardirqs_on+0x296/0x5b0
[  332.818240]  ? trace_hardirqs_on+0xbd/0x310
[  332.822557]  ? kasan_check_read+0x11/0x20
[  332.826702]  ? __run_timers+0x7da/0xc70
[  332.830687]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.835802]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.840065]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.844299]  __run_timers+0x7e5/0xc70
[  332.848122]  ? timer_fixup_init+0x70/0x70
[  332.852285]  ? kasan_check_read+0x11/0x20
[  332.856463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.861735]  ? rcu_softirq_qs+0x20/0x20
[  332.865738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.871272]  ? check_preemption_disabled+0x48/0x280
[  332.876308]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  332.881080]  ? retint_kernel+0x2d/0x2d
[  332.885004]  ? trace_hardirqs_on_caller+0xc0/0x310
[  332.889927]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  332.894682]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  332.900133]  ? zap_class+0x640/0x640
[  332.903846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.909396]  ? check_preemption_disabled+0x48/0x280
[  332.914446]  ? __lock_is_held+0xb5/0x140
[  332.918521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.924061]  ? check_preemption_disabled+0x48/0x280
[  332.929085]  run_timer_softirq+0x52/0xb0
[  332.933159]  ? rcu_read_lock_sched_held+0x14f/0x180
[  332.938176]  __do_softirq+0x308/0xb7e
[  332.941992]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  332.946510]  ? lock_downgrade+0x900/0x900
[  332.950680]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  332.955791]  ? pvclock_read_flags+0x160/0x160
[  332.960293]  ? lapic_next_event+0x5a/0x90
[  332.964474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.970046]  ? kvm_clock_read+0x18/0x30
[  332.974027]  ? kvm_sched_clock_read+0x9/0x20
[  332.978439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.983978]  ? check_preemption_disabled+0x48/0x280
[  332.989021]  irq_exit+0x17f/0x1c0
[  332.992487]  smp_apic_timer_interrupt+0x1cb/0x760
[  332.997365]  ? smp_reschedule_interrupt+0x109/0x650
[  333.002415]  ? smp_call_function_single_interrupt+0x650/0x650
[  333.008317]  ? interrupt_entry+0xb5/0xc0
[  333.012383]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.017416]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.022490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.027331]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.032344]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.037374]  ? task_prio+0x50/0x50
[  333.040944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.046492]  ? check_preemption_disabled+0x48/0x280
[  333.051511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.056377]  apic_timer_interrupt+0xf/0x20
[  333.060623]  </IRQ>
[  333.062875] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  333.067819] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  333.086710] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  333.094424] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  333.101687] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  333.108946] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  333.116204] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  333.123465] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  333.130848]  skb_clone+0x1bb/0x500
[  333.134385]  ? finish_task_switch+0x1b4/0x910
[  333.138876]  ? skb_split+0x11e0/0x11e0
[  333.142788]  ? preempt_notifier_register+0x200/0x200
[  333.147884]  ? __switch_to_asm+0x34/0x70
[  333.151939]  ? __switch_to_asm+0x34/0x70
[  333.155992]  ? __switch_to_asm+0x40/0x70
[  333.160057]  ? __switch_to_asm+0x34/0x70
[  333.164144]  ? __switch_to_asm+0x40/0x70
[  333.168225]  ? __switch_to_asm+0x34/0x70
[  333.172280]  ? __switch_to_asm+0x40/0x70
[  333.176338]  ? __switch_to_asm+0x34/0x70
[  333.180391]  ? __switch_to_asm+0x34/0x70
[  333.184444]  ? __switch_to_asm+0x40/0x70
[  333.188496]  ? __switch_to_asm+0x34/0x70
[  333.192570]  bpf_clone_redirect+0xb9/0x490
[  333.196804]  ? __schedule+0x8d7/0x21d0
[  333.200689]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  333.205715]  ? __sched_text_start+0x8/0x8
[  333.209876]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  333.214465]  ? retint_kernel+0x2d/0x2d
[  333.218346]  ? trace_hardirqs_on_caller+0xc0/0x310
[  333.223290]  ? find_held_lock+0x36/0x1c0
[  333.227384]  ? lock_acquire+0x1ed/0x520
[  333.231369]  ? bpf_test_run+0x3cb/0x780
[  333.235338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.240915]  ? check_preemption_disabled+0x48/0x280
[  333.245933]  ? kasan_check_read+0x11/0x20
[  333.250072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.255378]  ? rcu_softirq_qs+0x20/0x20
[  333.259369]  ? preempt_schedule+0x4d/0x60
[  333.263556]  ? ___preempt_schedule+0x16/0x18
[  333.267965]  ? bpf_test_run+0x25d/0x780
[  333.271961]  ? netlink_diag_dump+0x2a0/0x2a0
[  333.276380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.281931]  ? bpf_test_init.isra.10+0x70/0x100
[  333.286606]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  333.291384]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  333.296253]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  333.301785]  ? fput+0x130/0x1a0
[  333.305059]  ? __bpf_prog_get+0x9b/0x290
[  333.309139]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  333.313973]  ? bpf_prog_test_run+0x130/0x1a0
[  333.318396]  ? __x64_sys_bpf+0x3d8/0x520
[  333.322477]  ? bpf_prog_get+0x20/0x20
[  333.326292]  ? do_syscall_64+0x1b9/0x820
[  333.330362]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  333.335722]  ? syscall_return_slowpath+0x5e0/0x5e0
[  333.340658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.345497]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.350541]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  333.355587]  ? prepare_exit_to_usermode+0x291/0x3b0
[  333.360611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.365455]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  333.370829] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  333.370870] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  333.377763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.384066] rcu: 	(detected by 1, t=10675 jiffies, g=14105, q=8)
[  333.393402] Call Trace:
[  333.399550] rcu: All QSes seen, last rcu_preempt kthread activity 10673 (4294970487-4294959814), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  333.402117]  <IRQ>
[  333.414754] syz-executor3   R  running task    17776  9080   6059 0x8010000c
[  333.416895]  dump_stack+0x244/0x39d
[  333.424052] Call Trace:
[  333.427669]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.430231]  <IRQ>
[  333.435414]  warn_alloc.cold.116+0xb7/0x1bd
[  333.437557]  sched_show_task.cold.84+0x2b6/0x30a
[  333.441858]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  333.446609]  ? can_nice.part.74+0x20/0x20
[  333.451434]  ? lock_downgrade+0x900/0x900
[  333.455558]  ? vprintk_default+0x28/0x30
[  333.459687]  ? trace_hardirqs_off+0xb8/0x310
[  333.463722]  ? vprintk_func+0x85/0x181
[  333.468136]  ? trace_hardirqs_off+0xb8/0x310
[  333.471995]  ? vprintk_func+0x85/0x181
[  333.476432]  __alloc_pages_slowpath+0x26e8/0x2e10
[  333.480315]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  333.485154]  ? warn_alloc+0x120/0x120
[  333.489883]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  333.493664]  ? print_usage_bug+0xc0/0xc0
[  333.498415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.502459]  ? warn_alloc+0x120/0x120
[  333.507977]  print_other_cpu_stall.cold.66+0x7dd/0x8bb
[  333.511770]  ? warn_alloc+0x120/0x120
[  333.517023]  ? print_usage_bug+0xc0/0xc0
[  333.520815]  ? print_usage_bug+0xc0/0xc0
[  333.524867]  ? rcu_qs+0x110/0x110
[  333.528904]  ? kvm_clock_read+0x18/0x30
[  333.532356]  ? zap_class+0x640/0x640
[  333.536304]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  333.539994]  ? print_usage_bug+0xc0/0xc0
[  333.545016]  ? print_usage_bug+0xc0/0xc0
[  333.549056]  ? kasan_check_read+0x11/0x20
[  333.553172]  ? __lock_acquire+0x62f/0x4c20
[  333.557299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.561517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.567030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.572562]  ? should_fail+0x22d/0xd01
[  333.578078]  ? do_trace_rcu_torture_read+0x10/0x10
[  333.581943]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.586858]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  333.592135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.597402]  ? __lock_is_held+0xb5/0x140
[  333.602484]  ? __lock_acquire+0x62f/0x4c20
[  333.606529]  ? __rcu_read_lock+0x50/0x50
[  333.610744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.614817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.619951]  ? __lock_acquire+0x62f/0x4c20
[  333.625478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.629691]  ? should_fail+0x22d/0xd01
[  333.635210]  ? check_preemption_disabled+0x48/0x280
[  333.639070]  ? rcu_irq_exit+0x1a2/0x390
[  333.644064]  rcu_check_callbacks+0xfd7/0x13f0
[  333.648052]  ? mark_held_locks+0x130/0x130
[  333.652524]  ? rcutree_dead_cpu+0x10/0x10
[  333.656748]  ? mark_held_locks+0x130/0x130
[  333.660938]  ? lock_downgrade+0x900/0x900
[  333.665181]  ? mark_held_locks+0xc7/0x130
[  333.669306]  ? lock_release+0x930/0xa00
[  333.673438]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  333.677421]  ? zap_class+0x640/0x640
[  333.682412]  ? zap_class+0x640/0x640
[  333.686130]  ? zap_class+0x640/0x640
[  333.689828]  ? print_usage_bug+0xc0/0xc0
[  333.693523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.697578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.703131]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  333.708644]  ? check_preemption_disabled+0x48/0x280
[  333.713230]  ? kvm_set_tsc_khz+0x540/0x540
[  333.718233]  ? __lock_is_held+0xb5/0x140
[  333.722447]  ? warn_alloc.cold.116+0xd1/0x1bd
[  333.726502]  __alloc_pages_nodemask+0xa80/0xde0
[  333.730975]  ? find_held_lock+0x36/0x1c0
[  333.735631]  ? zap_class+0x640/0x640
[  333.739675]  ? zap_class+0x640/0x640
[  333.743369]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  333.747078]  ? timekeeping_advance+0x3cc/0xc00
[  333.752087]  ? find_held_lock+0x36/0x1c0
[  333.756668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.760730]  ? ____cache_alloc_node+0x1c7/0x1e0
[  333.766261]  ? check_preemption_disabled+0x48/0x280
[  333.770916]  ? lock_downgrade+0x900/0x900
[  333.775917]  ? trace_hardirqs_off+0xb8/0x310
[  333.780072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.784457]  ? __lock_is_held+0xb5/0x140
[  333.789974]  cache_grow_begin+0xa5/0x8c0
[  333.794017]  ? trace_hardirqs_on+0x310/0x310
[  333.798059]  ? do_raw_spin_unlock+0xa7/0x330
[  333.802447]  ? check_preemption_disabled+0x48/0x280
[  333.806835]  fallback_alloc+0x204/0x2e0
[  333.811829]  ? raise_softirq+0x199/0x420
[  333.815798]  ____cache_alloc_node+0x1c7/0x1e0
[  333.819839]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  333.824330]  kmem_cache_alloc_node+0xe3/0x730
[  333.828978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.833473]  ? ipv6_get_ifaddr+0x42e/0x620
[  333.838991]  ? check_preemption_disabled+0x48/0x280
[  333.843208]  __alloc_skb+0x119/0x770
[  333.848198]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  333.851889]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.857423]  ? hrtimer_run_queues+0x9a/0x400
[  333.862685]  ? netdev_alloc_frag+0x1f0/0x1f0
[  333.867075]  ? run_local_timers+0x19b/0x230
[  333.871462]  ? lock_downgrade+0x900/0x900
[  333.875763]  ? timer_clear_idle+0x90/0x90
[  333.879907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.884038]  ? debug_smp_processor_id+0x1c/0x20
[  333.889569]  ? refcount_sub_and_test_checked+0x203/0x310
[  333.894241]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  333.899698]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  333.905674]  ? account_process_tick+0x282/0x350
[  333.911116]  ? addrconf_rs_timer+0x690/0x690
[  333.915783]  update_process_times+0x2d/0x70
[  333.920193]  ndisc_alloc_skb+0x144/0x340
[  333.924489]  tick_sched_handle+0x9f/0x180
[  333.928526]  ndisc_send_rs+0x331/0x6e0
[  333.932654]  tick_sched_timer+0x45/0x130
[  333.936541]  addrconf_rs_timer+0x314/0x690
[  333.940597]  __hrtimer_run_queues+0x41c/0x10d0
[  333.944826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.949390]  ? tick_sched_do_timer+0x1a0/0x1a0
[  333.953631]  call_timer_fn+0x272/0x920
[  333.958214]  ? hrtimer_start_range_ns+0xe00/0xe00
[  333.962083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  333.966919]  ? pvclock_read_flags+0x160/0x160
[  333.971130]  ? process_timeout+0x40/0x40
[  333.975609]  ? trace_hardirqs_on+0x310/0x310
[  333.979667]  ? mark_held_locks+0xc7/0x130
[  333.984052]  ? zap_class+0x640/0x640
[  333.988181]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.991877]  ? kvm_clock_read+0x18/0x30
[  333.996360]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.000350]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  334.004823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.009820]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  334.014036]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.019415]  ? do_timer+0x50/0x50
[  334.024004]  ? trace_hardirqs_on+0xbd/0x310
[  334.027446]  ? rwlock_bug.part.2+0x90/0x90
[  334.031749]  ? kasan_check_read+0x11/0x20
[  334.035975]  ? trace_hardirqs_on+0x310/0x310
[  334.040114]  ? __run_timers+0x7da/0xc70
[  334.044503]  ? rcu_softirq_qs+0x20/0x20
[  334.048474]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.052434]  hrtimer_interrupt+0x313/0x780
[  334.057549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.061776]  smp_apic_timer_interrupt+0x1a1/0x760
[  334.065979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.070800]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.075012]  __run_timers+0x7e5/0xc70
[  334.080875]  ? interrupt_entry+0xb5/0xc0
[  334.084664]  ? timer_fixup_init+0x70/0x70
[  334.088704]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.092833]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  334.097824]  ? ____cache_alloc_node+0x1c7/0x1e0
[  334.102818]  ? zap_class+0x640/0x640
[  334.107470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.111160]  ? print_usage_bug+0xc0/0xc0
[  334.115993]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.120032]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  334.125035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.130202]  ? find_held_lock+0x36/0x1c0
[  334.135026]  apic_timer_interrupt+0xf/0x20
[  334.139062]  ? zap_class+0x640/0x640
[  334.143273] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  334.146962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.152304] Code: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  334.157820]  ? check_preemption_disabled+0x48/0x280
[  334.176696] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  334.181700]  ? __lock_is_held+0xb5/0x140
[  334.189400] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10038e37159
[  334.193461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.200717] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  334.206242]  ? check_preemption_disabled+0x48/0x280
[  334.213490] RBP: ffff8801daf074c0 R08: ffff8801c71b8ac8 R09: 0000000000000002
[  334.218490]  run_timer_softirq+0x52/0xb0
[  334.225739] R10: 0000000000000000 R11: ffff8801c71b8200 R12: ffff8801d9bee600
[  334.229790]  ? rcu_read_lock_sched_held+0x14f/0x180
[  334.237036] R13: ffff8801d9bee600 R14: 0000000000000000 R15: 0000000000000286
[  334.242038]  __do_softirq+0x308/0xb7e
[  334.249305]  ? apic_timer_interrupt+0xa/0x20
[  334.253086]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  334.257487]  ? ipv6_get_ifaddr+0x42e/0x620
[  334.261955]  ? lock_downgrade+0x900/0x900
[  334.266187]  __alloc_skb+0x119/0x770
[  334.270309]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  334.274014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.279114]  ? pvclock_read_flags+0x160/0x160
[  334.284394]  ? netdev_alloc_frag+0x1f0/0x1f0
[  334.288886]  ? lapic_next_event+0x5a/0x90
[  334.293269]  ? lock_downgrade+0x900/0x900
[  334.297396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.301552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.307066]  ? kvm_clock_read+0x18/0x30
[  334.312580]  ? refcount_sub_and_test_checked+0x203/0x310
[  334.316563]  ? kvm_sched_clock_read+0x9/0x20
[  334.322170]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  334.326565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.332054]  ? addrconf_rs_timer+0x690/0x690
[  334.337577]  ? check_preemption_disabled+0x48/0x280
[  334.341970]  ndisc_alloc_skb+0x144/0x340
[  334.346965]  irq_exit+0x17f/0x1c0
[  334.351004]  ndisc_send_rs+0x331/0x6e0
[  334.354443]  smp_apic_timer_interrupt+0x1cb/0x760
[  334.358315]  addrconf_rs_timer+0x314/0x690
[  334.363158]  ? smp_reschedule_interrupt+0x109/0x650
[  334.367396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.372426]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.376664]  call_timer_fn+0x272/0x920
[  334.382526]  ? interrupt_entry+0xb5/0xc0
[  334.386413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.390475]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.394686]  ? process_timeout+0x40/0x40
[  334.399688]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.403732]  ? __run_timers+0x7da/0xc70
[  334.408778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.412744]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.417569]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.422045]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.427039]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.431515]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.436520]  ? task_prio+0x50/0x50
[  334.440747]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.444265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.448828]  ? trace_hardirqs_on+0xbd/0x310
[  334.454503]  ? check_preemption_disabled+0x48/0x280
[  334.458804]  ? kasan_check_read+0x11/0x20
[  334.463798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.467923]  ? __run_timers+0x7da/0xc70
[  334.472752]  apic_timer_interrupt+0xf/0x20
[  334.476703]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.480910]  </IRQ>
[  334.486001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.488246] RIP: 0010:dump_stack+0x358/0x39d
[  334.492458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.496844] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  334.501061]  __run_timers+0x7e5/0xc70
[  334.519966] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  334.523761]  ? timer_fixup_init+0x70/0x70
[  334.531446] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  334.535580]  ? kasan_check_read+0x11/0x20
[  334.542826] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  334.546971]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.554234] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  334.554245] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  334.559525]  ? rcu_softirq_qs+0x20/0x20
[  334.566796] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  334.574055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.578030]  ? dump_stack+0x34f/0x39d
[  334.585281]  ? check_preemption_disabled+0x48/0x280
[  334.590803]  ? dump_stack_print_info.cold.1+0x20/0x20
[  334.594590]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  334.599595]  ? mark_held_locks+0x130/0x130
[  334.604765]  ? retint_kernel+0x2d/0x2d
[  334.609501]  ? mark_held_locks+0x130/0x130
[  334.613713]  ? trace_hardirqs_on_caller+0xc0/0x310
[  334.617580]  dump_header+0x27b/0xf72
[  334.621822]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  334.626732]  ? pagefault_out_of_memory+0x197/0x197
[  334.630453]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  334.635214]  ? __lock_acquire+0x62f/0x4c20
[  334.640127]  ? zap_class+0x640/0x640
[  334.645578]  ? percpu_ref_get_many+0x240/0x240
[  334.649789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.653495]  ? print_usage_bug+0xc0/0xc0
[  334.658056]  ? check_preemption_disabled+0x48/0x280
[  334.663572]  ? zap_class+0x640/0x640
[  334.667635]  ? __lock_is_held+0xb5/0x140
[  334.672625]  ? print_usage_bug+0xc0/0xc0
[  334.676319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.680359]  ? print_usage_bug+0xc0/0xc0
[  334.684400]  ? check_preemption_disabled+0x48/0x280
[  334.689912]  ? zap_class+0x640/0x640
[  334.693950]  run_timer_softirq+0x52/0xb0
[  334.698945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.702641]  ? rcu_read_lock_sched_held+0x14f/0x180
[  334.706676]  ? find_held_lock+0x36/0x1c0
[  334.712193]  __do_softirq+0x308/0xb7e
[  334.717211]  ? mark_held_locks+0xc7/0x130
[  334.721250]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  334.725025]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  334.729150]  ? lock_downgrade+0x900/0x900
[  334.733623]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  334.738723]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  334.742850]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  334.747937]  ? pvclock_read_flags+0x160/0x160
[  334.753026]  ? trace_hardirqs_on+0xbd/0x310
[  334.757587]  ? lapic_next_event+0x5a/0x90
[  334.762074]  ? kasan_check_read+0x11/0x20
[  334.766381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.770513]  ? ___ratelimit+0x3b4/0x672
[  334.774641]  ? kvm_clock_read+0x18/0x30
[  334.780157]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.784149]  ? kvm_sched_clock_read+0x9/0x20
[  334.788131]  ? trace_hardirqs_on+0x310/0x310
[  334.793216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.797617]  ? lock_downgrade+0x900/0x900
[  334.802006]  ? check_preemption_disabled+0x48/0x280
[  334.807527]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  334.811660]  irq_exit+0x17f/0x1c0
[  334.816653]  ? ___ratelimit+0x3b9/0x672
[  334.821748]  smp_apic_timer_interrupt+0x1cb/0x760
[  334.825196]  ? idr_get_free+0xf70/0xf70
[  334.829156]  ? smp_reschedule_interrupt+0x109/0x650
[  334.833975]  ? find_held_lock+0x36/0x1c0
[  334.837932]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.842928]  oom_kill_process.cold.27+0x10/0x903
[  334.846978]  ? interrupt_entry+0xb5/0xc0
[  334.852844]  ? zap_class+0x640/0x640
[  334.857582]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.861639]  ? check_preemption_disabled+0x48/0x280
[  334.865373]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.870386]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  334.875385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.880388]  ? kasan_check_read+0x11/0x20
[  334.885298]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.890155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.894286]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.899315]  ? oom_evaluate_task+0x540/0x540
[  334.904587]  ? task_prio+0x50/0x50
[  334.909595]  ? find_held_lock+0x36/0x1c0
[  334.913988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.917513]  ? out_of_memory+0x974/0x1430
[  334.921556]  ? check_preemption_disabled+0x48/0x280
[  334.927079]  ? lock_downgrade+0x900/0x900
[  334.931212]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.936216]  ? check_preemption_disabled+0x48/0x280
[  334.940379]  apic_timer_interrupt+0xf/0x20
[  334.945199]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  334.950189]  </IRQ>
[  334.954448]  ? kasan_check_read+0x11/0x20
[  334.959370] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  334.961587]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.965720] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  334.970632]  ? rcu_softirq_qs+0x20/0x20
[  334.975885] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  334.994791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.998765] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  335.006469]  ? oom_evaluate_task+0x302/0x540
[  335.011984] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  335.019238]  out_of_memory+0xa84/0x1430
[  335.023625] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  335.030882]  ? oom_killer_disable+0x3a0/0x3a0
[  335.034825] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  335.042079]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  335.046552] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  335.053812]  ? __ww_mutex_check_waiters+0x160/0x160
[  335.058738]  skb_clone+0x1bb/0x500
[  335.065975]  __alloc_pages_slowpath+0x2354/0x2e10
[  335.070969]  ? finish_task_switch+0x1b4/0x910
[  335.074519]  ? warn_alloc+0x120/0x120
[  335.079339]  ? skb_split+0x11e0/0x11e0
[  335.083834]  ? mark_held_locks+0x130/0x130
[  335.087632]  ? preempt_notifier_register+0x200/0x200
[  335.091498]  ? find_get_entry+0xaae/0x1120
[  335.095707]  ? __switch_to_asm+0x34/0x70
[  335.100791]  ? filemap_map_pages+0x1a20/0x1a20
[  335.105005]  ? __switch_to_asm+0x34/0x70
[  335.109043]  ? zap_class+0x640/0x640
[  335.113606]  ? __switch_to_asm+0x40/0x70
[  335.117665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.121369]  ? __switch_to_asm+0x34/0x70
[  335.125446]  ? check_preemption_disabled+0x48/0x280
[  335.130978]  ? __switch_to_asm+0x40/0x70
[  335.135018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.140013]  ? __switch_to_asm+0x34/0x70
[  335.144057]  ? should_fail+0x22d/0xd01
[  335.149570]  ? __switch_to_asm+0x40/0x70
[  335.153621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.157489]  ? __switch_to_asm+0x34/0x70
[  335.161552]  ? zap_class+0x640/0x640
[  335.166633]  ? __switch_to_asm+0x34/0x70
[  335.170717]  ? __lock_is_held+0xb5/0x140
[  335.174413]  ? __switch_to_asm+0x40/0x70
[  335.178457]  ? mark_held_locks+0x130/0x130
[  335.182491]  ? __switch_to_asm+0x34/0x70
[  335.186530]  ? lock_release+0xa00/0xa00
[  335.190758]  bpf_clone_redirect+0xb9/0x490
[  335.194812]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.198765]  ? __schedule+0x8d7/0x21d0
[  335.202995]  ? xa_load+0x2ba/0x460
[  335.208442]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  335.212306]  ? lock_downgrade+0x900/0x900
[  335.215838]  ? __sched_text_start+0x8/0x8
[  335.220848]  ? __might_sleep+0x95/0x190
[  335.224974]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.229109]  __alloc_pages_nodemask+0xa80/0xde0
[  335.233053]  ? retint_kernel+0x2d/0x2d
[  335.237661]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  335.242339]  ? trace_hardirqs_on_caller+0xc0/0x310
[  335.246220]  ? __page_cache_alloc+0x191/0x5c0
[  335.251250]  ? find_held_lock+0x36/0x1c0
[  335.256172]  ? xa_load+0x2e1/0x460
[  335.260670]  ? lock_acquire+0x1ed/0x520
[  335.264720]  ? xa_clear_mark+0x40/0x40
[  335.268257]  ? bpf_test_run+0x3cb/0x780
[  335.272211]  ? zap_class+0x640/0x640
[  335.276080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.280042]  ? zap_class+0x640/0x640
[  335.283751]  ? check_preemption_disabled+0x48/0x280
[  335.289266]  ? zap_class+0x640/0x640
[  335.292966]  ? kasan_check_read+0x11/0x20
[  335.297964]  ? __do_page_cache_readahead+0x663/0x810
[  335.301655]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.305783]  ? find_held_lock+0x36/0x1c0
[  335.310887]  ? rcu_softirq_qs+0x20/0x20
[  335.316161]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  335.320205]  ? preempt_schedule+0x4d/0x60
[  335.324174]  alloc_pages_current+0x173/0x350
[  335.329686]  ? ___preempt_schedule+0x16/0x18
[  335.333848]  __page_cache_alloc+0x38c/0x5c0
[  335.338248]  ? bpf_test_run+0x25d/0x780
[  335.342649]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.346979]  ? netlink_diag_dump+0x2a0/0x2a0
[  335.350927]  ? kasan_check_read+0x11/0x20
[  335.355849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.360234]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.364362]  ? bpf_test_init.isra.10+0x70/0x100
[  335.369879]  ? generic_perform_write+0x6a0/0x6a0
[  335.375152]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  335.379801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.384541]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  335.389274]  ? check_preemption_disabled+0x48/0x280
[  335.394791]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  335.399619]  filemap_fault+0x1595/0x25f0
[  335.404623]  ? fput+0x130/0x1a0
[  335.410172]  ? __lock_page_or_retry+0xa00/0xa00
[  335.414207]  ? __bpf_prog_get+0x9b/0x290
[  335.417594]  ? mark_held_locks+0x130/0x130
[  335.422267]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  335.426330]  ? filemap_map_pages+0xd6b/0x1a20
[  335.430569]  ? bpf_prog_test_run+0x130/0x1a0
[  335.435394]  ? lock_downgrade+0x900/0x900
[  335.439869]  ? __x64_sys_bpf+0x3d8/0x520
[  335.444261]  ? check_preemption_disabled+0x48/0x280
[  335.448433]  ? bpf_prog_get+0x20/0x20
[  335.452472]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.457477]  ? do_syscall_64+0x1b9/0x820
[  335.461244]  ? kasan_check_read+0x11/0x20
[  335.466154]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  335.470196]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.474327]  ? syscall_return_slowpath+0x5e0/0x5e0
[  335.479667]  ? rcu_softirq_qs+0x20/0x20
[  335.484924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.489853]  ? filemap_map_pages+0xd92/0x1a20
[  335.493815]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.498650]  ? find_get_entries_tag+0x1400/0x1400
[  335.503139]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  335.508153]  ? debug_object_destroy+0x2b0/0x2b0
[  335.512974]  ? prepare_exit_to_usermode+0x291/0x3b0
[  335.517984]  ? lock_pi_update_atomic+0x150/0x150
[  335.522636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.527655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.532403]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  335.537230]  ? lock_acquire+0x1ed/0x520
[  335.542755] rcu: rcu_preempt kthread starved for 10673 jiffies! g14105 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  335.548085]  ? ext4_filemap_fault+0x7a/0xad
[  335.552035] rcu: RCU grace-period kthread stack dump:
[  335.562520]  ? lock_release+0xa00/0xa00
[  335.566822] rcu_preempt     R  running task    23000    10      2 0x80000000
[  335.571999]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.575946] Call Trace:
[  335.583147]  ? print_usage_bug+0xc0/0xc0
[  335.588575]  __schedule+0x8cf/0x21d0
[  335.591149]  ? print_usage_bug+0xc0/0xc0
[  335.595207]  ? __sched_text_start+0x8/0x8
[  335.598900]  ? down_read+0x8d/0x120
[  335.602940]  ? add_timer_on+0xa20/0xa20
[  335.607060]  ? ext4_filemap_fault+0x7a/0xad
[  335.610664]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.614616]  ? __down_interruptible+0x700/0x700
[  335.614652]  ext4_filemap_fault+0x82/0xad
[  335.618948]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.624044]  __do_fault+0x100/0x6b0
[  335.628706]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.632829]  ? pmd_devmap_trans_unstable+0x220/0x220
[  335.637913]  ? trace_hardirqs_on+0xbd/0x310
[  335.641527]  ? mark_held_locks+0x130/0x130
[  335.646114]  ? kasan_check_read+0x11/0x20
[  335.651223]  ? mark_held_locks+0x130/0x130
[  335.655526]  ? prepare_to_swait_event+0x25a/0x800
[  335.659742]  ? debug_smp_processor_id+0x1c/0x20
[  335.663871]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.668112]  ? perf_trace_lock+0x14d/0x7a0
[  335.672943]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.677607]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  335.682693]  schedule+0xfe/0x460
[  335.686905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.691991]  ? __schedule+0x21d0/0x21d0
[  335.697636]  __handle_mm_fault+0x3ea0/0x5be0
[  335.700983]  ? prepare_to_swait_event+0x25a/0x800
[  335.706501]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  335.710456]  ? __init_swait_queue_head+0x150/0x150
[  335.714844]  ? lock_is_held_type+0x210/0x210
[  335.719670]  ? __lockdep_init_map+0x105/0x590
[  335.724492]  ? file_remove_privs+0x540/0x540
[  335.729398]  ? lockdep_init_map+0x9/0x10
[  335.733827]  ? zap_class+0x640/0x640
[  335.738297]  schedule_timeout+0x140/0x260
[  335.742690]  ? zap_class+0x640/0x640
[  335.746732]  ? usleep_range+0x1a0/0x1a0
[  335.751137]  ? __x64_sys_futex+0x53e/0x6a0
[  335.755263]  ? __next_timer_interrupt+0x1a0/0x1a0
[  335.758957]  ? find_held_lock+0x36/0x1c0
[  335.762919]  rcu_gp_fqs_loop+0x762/0xa80
[  335.767135]  ? handle_mm_fault+0x42a/0xc70
[  335.772002]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  335.776043]  ? lock_downgrade+0x900/0x900
[  335.780081]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.784303]  ? check_preemption_disabled+0x48/0x280
[  335.789038]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.793165]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.798263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.803259]  ? kasan_check_read+0x11/0x20
[  335.808708]  ? rcu_gp_init+0x90b/0x1260
[  335.813614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.813627]  ? rcu_softirq_qs+0x20/0x20
[  335.819165]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  335.823294]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.827262]  ? rcu_accelerate_cbs+0x562/0xae0
[  335.832528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.836477]  ? zap_class+0x640/0x640
[  335.841234]  ? check_preemption_disabled+0x48/0x280
[  335.846314]  ? zap_class+0x640/0x640
[  335.850797]  handle_mm_fault+0x54f/0xc70
[  335.856334]  ? __lock_is_held+0xb5/0x140
[  335.860022]  ? __handle_mm_fault+0x5be0/0x5be0
[  335.865017]  ? __lock_is_held+0xb5/0x140
[  335.868707]  ? find_vma+0x34/0x190
[  335.872746]  ? zap_class+0x640/0x640
[  335.876814]  __do_page_fault+0x5e8/0xe60
[  335.881372]  ? rcu_accelerate_cbs+0x562/0xae0
[  335.885411]  ? trace_hardirqs_off+0xb8/0x310
[  335.888935]  ? find_held_lock+0x36/0x1c0
[  335.892630]  do_page_fault+0xf2/0x7e0
[  335.896684]  ? rcu_gp_kthread+0x8cf/0xc70
[  335.901183]  ? vmalloc_sync_all+0x30/0x30
[  335.905592]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.909667]  ? error_entry+0x70/0xd0
[  335.913470]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.917641]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.921772]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.926251]  ? trace_hardirqs_on_caller+0xc0/0x310
[  335.929947]  ? trace_hardirqs_on+0xbd/0x310
[  335.934431]  ? syscall_return_slowpath+0x5e0/0x5e0
[  335.939432]  ? kasan_check_read+0x11/0x20
[  335.944005]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.948918]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.953238]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.958155]  ? perf_trace_sched_process_exec+0x860/0x860
[  335.962288]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  335.967118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.967140]  rcu_gp_kthread+0x341/0xc70
[  335.972225]  ? prepare_exit_to_usermode+0x291/0x3b0
[  335.977260]  ? rcu_gp_init+0x1260/0x1260
[  335.982716]  ? page_fault+0x8/0x30
[  335.988167]  ? mark_held_locks+0x130/0x130
[  335.993700]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.997689]  ? __schedule+0x168a/0x21d0
[  336.002703]  ? page_fault+0x8/0x30
[  336.006744]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.010266]  page_fault+0x1e/0x30
[  336.014482]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  336.019305] RIP: 0033:0x40f9c0
[  336.023256]  ? trace_hardirqs_on+0xbd/0x310
[  336.026787] Code: Bad RIP value.
[  336.031264]  ? kasan_check_read+0x11/0x20
[  336.034692] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  336.039262]  ? __schedule+0x168a/0x21d0
[  336.042440] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  336.046768]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.050167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  336.054311]  ? lock_pin_lock+0x350/0x350
[  336.059649] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  336.063636]  ? _raw_spin_unlock_irq+0x60/0x80
[  336.070888] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  336.075981]  ? __schedule+0x168a/0x21d0
[  336.083363] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  336.087441]  ? __switch_to_asm+0x40/0x70
[  336.094718] warn_alloc_show_mem: 1 callbacks suppressed
[  336.094723] Mem-Info:
[  336.099182]  ? __switch_to_asm+0x40/0x70
[  336.106465] active_anon:50082 inactive_anon:201 isolated_anon:0
[  336.106465]  active_file:11 inactive_file:13 isolated_file:0
[  336.106465]  unevictable:0 dirty:0 writeback:0 unstable:0
[  336.106465]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  336.106465]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  336.106465]  free:13738 free_pcp:300 free_cma:0
[  336.110415]  ? show_schedstat+0x721/0xf30
[  336.117736] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  336.121813]  ? __sched_text_start+0x8/0x8
[  336.127166] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  336.129572]  ? find_held_lock+0x36/0x1c0
[  336.133625] lowmem_reserve[]: 0 2818 6321 6321
[  336.166517]  ? __kthread_parkme+0xce/0x1a0
[  336.170632] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  336.198149]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  336.202282] lowmem_reserve[]: 0 0 3503 3503
[  336.228378]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  336.232409] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  336.236993]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  336.241208] lowmem_reserve[]: 0 0 0 0
[  336.268781]  ? trace_hardirqs_on+0xbd/0x310
[  336.273854] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  336.278196]  ? kasan_check_read+0x11/0x20
[  336.283311] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  336.312971]  ? __kthread_parkme+0xce/0x1a0
[  336.318049] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  336.321865]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.326178] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  336.339703]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  336.343822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  336.358888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.363125] 268 total pagecache pages
[  336.377673]  ? __kthread_parkme+0xfb/0x1a0
[  336.382770] 0 pages in swap cache
[  336.391591]  ? rcu_gp_init+0x1260/0x1260
[  336.396685] Swap cache stats: add 0, delete 0, find 0/0
[  336.405246]  kthread+0x35a/0x440
[  336.410756] Free swap  = 0kB
[  336.414547]  ? kthread_stop+0x900/0x900
[  336.418753] Total swap = 0kB
[  336.422236]  ret_from_fork+0x3a/0x50
[  336.426271] 1965979 pages RAM
[  336.431772] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  336.434969] 0 pages HighMem/MovableOnly
[  336.434974] 342853 pages reserved
[  336.434978] 0 pages cma reserved
[  336.435015] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  336.438060] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.441986] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.444960] syz-executor3 cpuset=syz3 mems_allowed=0
[  336.448703] syz-fuzzer cpuset=/ mems_allowed=0
[  336.452294] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  336.513557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.522913] Call Trace:
[  336.525514]  <IRQ>
[  336.527659]  dump_stack+0x244/0x39d
[  336.531325]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.536520]  warn_alloc.cold.116+0xb7/0x1bd
[  336.540834]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.545672]  ? lock_downgrade+0x900/0x900
[  336.549818]  ? trace_hardirqs_off+0xb8/0x310
[  336.554229]  ? trace_hardirqs_off+0xb8/0x310
[  336.558698]  __alloc_pages_slowpath+0x26e8/0x2e10
[  336.563561]  ? warn_alloc+0x120/0x120
[  336.567369]  ? print_usage_bug+0xc0/0xc0
[  336.571439]  ? warn_alloc+0x120/0x120
[  336.575239]  ? warn_alloc+0x120/0x120
[  336.579034]  ? print_usage_bug+0xc0/0xc0
[  336.583111]  ? print_usage_bug+0xc0/0xc0
[  336.587171]  ? __lock_acquire+0x62f/0x4c20
[  336.591418]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.596951]  ? should_fail+0x22d/0xd01
[  336.600876]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.605986]  ? __lock_acquire+0x62f/0x4c20
[  336.610233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.615341]  ? __lock_acquire+0x62f/0x4c20
[  336.619573]  ? should_fail+0x22d/0xd01
[  336.623479]  ? find_held_lock+0x36/0x1c0
[  336.627568]  ? mark_held_locks+0x130/0x130
[  336.631800]  ? mark_held_locks+0x130/0x130
[  336.636040]  ? zap_class+0x640/0x640
[  336.639779]  ? zap_class+0x640/0x640
[  336.643494]  ? print_usage_bug+0xc0/0xc0
[  336.647548]  ? do_raw_spin_unlock+0xa7/0x330
[  336.651947]  ? zap_class+0x640/0x640
[  336.655665]  ? print_usage_bug+0xc0/0xc0
[  336.659717]  ? wq_watchdog_touch+0x9c/0xfe
[  336.663963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.669525]  ? check_preemption_disabled+0x48/0x280
[  336.674544]  ? __lock_is_held+0xb5/0x140
[  336.678622]  __alloc_pages_nodemask+0xa80/0xde0
[  336.683372]  ? zap_class+0x640/0x640
[  336.687103]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  336.692132]  ? find_held_lock+0x36/0x1c0
[  336.696194]  ? ____cache_alloc_node+0x1c7/0x1e0
[  336.700872]  ? lock_downgrade+0x900/0x900
[  336.705035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.710588]  cache_grow_begin+0xa5/0x8c0
[  336.714643]  ? do_raw_spin_unlock+0xa7/0x330
[  336.719065]  fallback_alloc+0x204/0x2e0
[  336.723074]  ____cache_alloc_node+0x1c7/0x1e0
[  336.727575]  kmem_cache_alloc_node+0xe3/0x730
[  336.732073]  ? ipv6_get_ifaddr+0x42e/0x620
[  336.736320]  __alloc_skb+0x119/0x770
[  336.740026]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.745300]  ? netdev_alloc_frag+0x1f0/0x1f0
[  336.749702]  ? lock_downgrade+0x900/0x900
[  336.753910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.759456]  ? refcount_sub_and_test_checked+0x203/0x310
[  336.764905]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  336.770352]  ? addrconf_rs_timer+0x690/0x690
[  336.774769]  ndisc_alloc_skb+0x144/0x340
[  336.778828]  ndisc_send_rs+0x331/0x6e0
[  336.782714]  addrconf_rs_timer+0x314/0x690
[  336.786950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.791203]  call_timer_fn+0x272/0x920
[  336.795085]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.799323]  ? process_timeout+0x40/0x40
[  336.803398]  ? __run_timers+0x7da/0xc70
[  336.807381]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.811883]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.816370]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.820597]  ? lockdep_hardirqs_on+0x296/0x5b0
[  336.825185]  ? trace_hardirqs_on+0xbd/0x310
[  336.829504]  ? kasan_check_read+0x11/0x20
[  336.833696]  ? __run_timers+0x7da/0xc70
[  336.837666]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.842768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.847000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.851255]  __run_timers+0x7e5/0xc70
[  336.855084]  ? timer_fixup_init+0x70/0x70
[  336.859253]  ? kasan_check_read+0x11/0x20
[  336.863411]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.868681]  ? rcu_softirq_qs+0x20/0x20
[  336.872650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.878182]  ? check_preemption_disabled+0x48/0x280
[  336.883194]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  336.887945]  ? retint_kernel+0x2d/0x2d
[  336.891842]  ? trace_hardirqs_on_caller+0xc0/0x310
[  336.896796]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  336.901547]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  336.906991]  ? zap_class+0x640/0x640
[  336.910717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.916249]  ? check_preemption_disabled+0x48/0x280
[  336.921283]  ? __lock_is_held+0xb5/0x140
[  336.925353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.930888]  ? check_preemption_disabled+0x48/0x280
[  336.935902]  run_timer_softirq+0x52/0xb0
[  336.939956]  ? rcu_read_lock_sched_held+0x14f/0x180
[  336.944969]  __do_softirq+0x308/0xb7e
[  336.948786]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  336.953342]  ? lock_downgrade+0x900/0x900
[  336.957493]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  336.962601]  ? pvclock_read_flags+0x160/0x160
[  336.967115]  ? lapic_next_event+0x5a/0x90
[  336.971264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.976801]  ? kvm_clock_read+0x18/0x30
[  336.980772]  ? kvm_sched_clock_read+0x9/0x20
[  336.985179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.990730]  ? check_preemption_disabled+0x48/0x280
[  336.995769]  irq_exit+0x17f/0x1c0
[  336.999217]  smp_apic_timer_interrupt+0x1cb/0x760
[  337.004067]  ? smp_reschedule_interrupt+0x109/0x650
[  337.009080]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.014963]  ? interrupt_entry+0xb5/0xc0
[  337.019032]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.024045]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.029052]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.033924]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.038964]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.043987]  ? task_prio+0x50/0x50
[  337.047535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.053068]  ? check_preemption_disabled+0x48/0x280
[  337.058089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.062940]  apic_timer_interrupt+0xf/0x20
[  337.067161]  </IRQ>
[  337.069406] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  337.074342] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  337.093251] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  337.100963] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  337.108237] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  337.115503] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  337.122764] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  337.130025] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  337.137388]  skb_clone+0x1bb/0x500
[  337.140968]  ? finish_task_switch+0x1b4/0x910
[  337.145469]  ? skb_split+0x11e0/0x11e0
[  337.149373]  ? preempt_notifier_register+0x200/0x200
[  337.154466]  ? __switch_to_asm+0x34/0x70
[  337.158514]  ? __switch_to_asm+0x34/0x70
[  337.162575]  ? __switch_to_asm+0x40/0x70
[  337.166654]  ? __switch_to_asm+0x34/0x70
[  337.170706]  ? __switch_to_asm+0x40/0x70
[  337.174769]  ? __switch_to_asm+0x34/0x70
[  337.178825]  ? __switch_to_asm+0x40/0x70
[  337.182874]  ? __switch_to_asm+0x34/0x70
[  337.186941]  ? __switch_to_asm+0x34/0x70
[  337.190992]  ? __switch_to_asm+0x40/0x70
[  337.195076]  ? __switch_to_asm+0x34/0x70
[  337.199153]  bpf_clone_redirect+0xb9/0x490
[  337.203389]  ? __schedule+0x8d7/0x21d0
[  337.207310]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  337.212325]  ? __sched_text_start+0x8/0x8
[  337.216470]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  337.221048]  ? retint_kernel+0x2d/0x2d
[  337.224932]  ? trace_hardirqs_on_caller+0xc0/0x310
[  337.229860]  ? find_held_lock+0x36/0x1c0
[  337.233923]  ? lock_acquire+0x1ed/0x520
[  337.237913]  ? bpf_test_run+0x3cb/0x780
[  337.241895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.247443]  ? check_preemption_disabled+0x48/0x280
[  337.252458]  ? kasan_check_read+0x11/0x20
[  337.256612]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.261899]  ? rcu_softirq_qs+0x20/0x20
[  337.265867]  ? preempt_schedule+0x4d/0x60
[  337.270017]  ? ___preempt_schedule+0x16/0x18
[  337.274478]  ? bpf_test_run+0x25d/0x780
[  337.278473]  ? netlink_diag_dump+0x2a0/0x2a0
[  337.282914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.288477]  ? bpf_test_init.isra.10+0x70/0x100
[  337.293175]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  337.297998]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  337.302877]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  337.308429]  ? fput+0x130/0x1a0
[  337.311702]  ? __bpf_prog_get+0x9b/0x290
[  337.315760]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  337.320592]  ? bpf_prog_test_run+0x130/0x1a0
[  337.325002]  ? __x64_sys_bpf+0x3d8/0x520
[  337.329076]  ? bpf_prog_get+0x20/0x20
[  337.332894]  ? do_syscall_64+0x1b9/0x820
[  337.336950]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  337.342334]  ? syscall_return_slowpath+0x5e0/0x5e0
[  337.347260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.352133]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.357193]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  337.362207]  ? prepare_exit_to_usermode+0x291/0x3b0
[  337.367222]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.372102]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  337.377491] Mem-Info:
[  337.377501] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  337.377510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  337.379965] active_anon:50082 inactive_anon:201 isolated_anon:0
[  337.379965]  active_file:11 inactive_file:13 isolated_file:0
[  337.379965]  unevictable:0 dirty:0 writeback:0 unstable:0
[  337.379965]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  337.379965]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  337.379965]  free:13738 free_pcp:300 free_cma:0
[  337.386853] Call Trace:
[  337.396243] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  337.429100]  <IRQ>
[  337.431672] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  337.459160]  dump_stack+0x244/0x39d
[  337.461282] lowmem_reserve[]: 0 2818 6321 6321
[  337.487395]  ? dump_stack_print_info.cold.1+0x20/0x20
[  337.491018] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  337.495599]  warn_alloc.cold.116+0xb7/0x1bd
[  337.500769] lowmem_reserve[]: 0 0 3503 3503
[  337.528533]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  337.532825] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:360kB free_cma:0kB
[  337.537164]  ? lock_downgrade+0x900/0x900
[  337.541978] lowmem_reserve[]: 0 0 0 0
[  337.570856]  ? trace_hardirqs_off+0xb8/0x310
[  337.574972] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  337.578763]  ? trace_hardirqs_off+0xb8/0x310
[  337.583154] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  337.596679]  __alloc_pages_slowpath+0x26e8/0x2e10
[  337.601053] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  337.616162]  ? warn_alloc+0x120/0x120
[  337.620964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  337.635524]  ? print_usage_bug+0xc0/0xc0
[  337.639301] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  337.648139]  ? warn_alloc+0x120/0x120
[  337.652173] 268 total pagecache pages
[  337.660734]  ? warn_alloc+0x120/0x120
[  337.664523] 0 pages in swap cache
[  337.668308]  ? print_usage_bug+0xc0/0xc0
[  337.672079] Swap cache stats: add 0, delete 0, find 0/0
[  337.675533]  ? print_usage_bug+0xc0/0xc0
[  337.679563] Free swap  = 0kB
[  337.684910]  ? __lock_acquire+0x62f/0x4c20
[  337.688953] Total swap = 0kB
[  337.691974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.696180] 1965979 pages RAM
[  337.699186]  ? should_fail+0x22d/0xd01
[  337.704706] 0 pages HighMem/MovableOnly
[  337.707804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.711662] 342853 pages reserved
[  337.715634]  ? __lock_acquire+0x62f/0x4c20
[  337.720718] 0 pages cma reserved
[  337.724165]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.728450] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  337.731756]  ? __lock_acquire+0x62f/0x4c20
[  337.731770]  ? should_fail+0x22d/0xd01
[  337.736929] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  337.743367]  ? find_held_lock+0x36/0x1c0
[  337.747576] syz-executor3 cpuset=syz3 mems_allowed=0
[  337.751477]  ? mark_held_locks+0x130/0x130
[  337.775287]  ? mark_held_locks+0x130/0x130
[  337.779545]  ? zap_class+0x640/0x640
[  337.783252]  ? zap_class+0x640/0x640
[  337.786962]  ? print_usage_bug+0xc0/0xc0
[  337.791013]  ? do_raw_spin_unlock+0xa7/0x330
[  337.795420]  ? zap_class+0x640/0x640
[  337.799146]  ? print_usage_bug+0xc0/0xc0
[  337.803203]  ? wq_watchdog_touch+0x9c/0xfe
[  337.807434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.812963]  ? check_preemption_disabled+0x48/0x280
[  337.817976]  ? __lock_is_held+0xb5/0x140
[  337.822033]  __alloc_pages_nodemask+0xa80/0xde0
[  337.826710]  ? zap_class+0x640/0x640
[  337.830422]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  337.835445]  ? find_held_lock+0x36/0x1c0
[  337.839506]  ? ____cache_alloc_node+0x1c7/0x1e0
[  337.844189]  ? lock_downgrade+0x900/0x900
[  337.848349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.853885]  cache_grow_begin+0xa5/0x8c0
[  337.857953]  ? do_raw_spin_unlock+0xa7/0x330
[  337.862373]  fallback_alloc+0x204/0x2e0
[  337.866346]  ____cache_alloc_node+0x1c7/0x1e0
[  337.870856]  kmem_cache_alloc_node+0xe3/0x730
[  337.875343]  ? ipv6_get_ifaddr+0x42e/0x620
[  337.879592]  __alloc_skb+0x119/0x770
[  337.883325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.888602]  ? netdev_alloc_frag+0x1f0/0x1f0
[  337.893002]  ? lock_downgrade+0x900/0x900
[  337.897147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.902687]  ? refcount_sub_and_test_checked+0x203/0x310
[  337.908150]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  337.913593]  ? addrconf_rs_timer+0x690/0x690
[  337.918007]  ndisc_alloc_skb+0x144/0x340
[  337.922082]  ndisc_send_rs+0x331/0x6e0
[  337.925995]  addrconf_rs_timer+0x314/0x690
[  337.930228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.934483]  call_timer_fn+0x272/0x920
[  337.938361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.942592]  ? process_timeout+0x40/0x40
[  337.946679]  ? mark_held_locks+0xc7/0x130
[  337.950823]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.955326]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.959833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.964065]  ? lockdep_hardirqs_on+0x296/0x5b0
[  337.968652]  ? trace_hardirqs_on+0xbd/0x310
[  337.972966]  ? kasan_check_read+0x11/0x20
[  337.977117]  ? __run_timers+0x7da/0xc70
[  337.981106]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.986226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.990488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.994714]  __run_timers+0x7e5/0xc70
[  337.998538]  ? timer_fixup_init+0x70/0x70
[  338.002716]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  338.007732]  ? zap_class+0x640/0x640
[  338.011461]  ? print_usage_bug+0xc0/0xc0
[  338.015532]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  338.020722]  ? find_held_lock+0x36/0x1c0
[  338.024782]  ? zap_class+0x640/0x640
[  338.028525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.034056]  ? check_preemption_disabled+0x48/0x280
[  338.039069]  ? __lock_is_held+0xb5/0x140
[  338.043152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.048710]  ? check_preemption_disabled+0x48/0x280
[  338.053727]  run_timer_softirq+0x52/0xb0
[  338.057801]  ? rcu_read_lock_sched_held+0x14f/0x180
[  338.062835]  __do_softirq+0x308/0xb7e
[  338.066644]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  338.071136]  ? lock_downgrade+0x900/0x900
[  338.075283]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  338.080434]  ? pvclock_read_flags+0x160/0x160
[  338.084925]  ? lapic_next_event+0x5a/0x90
[  338.089067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.094623]  ? kvm_clock_read+0x18/0x30
[  338.098589]  ? kvm_sched_clock_read+0x9/0x20
[  338.102990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.108537]  ? check_preemption_disabled+0x48/0x280
[  338.113554]  irq_exit+0x17f/0x1c0
[  338.117001]  smp_apic_timer_interrupt+0x1cb/0x760
[  338.121867]  ? smp_reschedule_interrupt+0x109/0x650
[  338.126901]  ? smp_call_function_single_interrupt+0x650/0x650
[  338.132790]  ? interrupt_entry+0xb5/0xc0
[  338.136847]  ? trace_hardirqs_off_caller+0xbb/0x310
[  338.141872]  ? trace_hardirqs_off_caller+0xbb/0x310
[  338.146908]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.151744]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.156753]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.161793]  ? task_prio+0x50/0x50
[  338.165342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.170873]  ? check_preemption_disabled+0x48/0x280
[  338.175887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.180728]  apic_timer_interrupt+0xf/0x20
[  338.184974]  </IRQ>
[  338.187208] RIP: 0010:dump_stack+0x358/0x39d
[  338.191621] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  338.210510] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  338.218212] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  338.225469] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  338.232747] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  338.240014] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  338.247280] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  338.254628]  ? dump_stack+0x34f/0x39d
[  338.258481]  ? dump_stack_print_info.cold.1+0x20/0x20
[  338.263682]  ? mark_held_locks+0x130/0x130
[  338.267922]  ? mark_held_locks+0x130/0x130
[  338.272199]  dump_header+0x27b/0xf72
[  338.275919]  ? pagefault_out_of_memory+0x197/0x197
[  338.280859]  ? __lock_acquire+0x62f/0x4c20
[  338.285098]  ? percpu_ref_get_many+0x240/0x240
[  338.289700]  ? print_usage_bug+0xc0/0xc0
[  338.293759]  ? zap_class+0x640/0x640
[  338.297471]  ? print_usage_bug+0xc0/0xc0
[  338.301525]  ? print_usage_bug+0xc0/0xc0
[  338.305578]  ? zap_class+0x640/0x640
[  338.309303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.314859]  ? find_held_lock+0x36/0x1c0
[  338.319457]  ? mark_held_locks+0xc7/0x130
[  338.323628]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  338.328784]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  338.333896]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  338.338476]  ? trace_hardirqs_on+0xbd/0x310
[  338.342789]  ? kasan_check_read+0x11/0x20
[  338.346931]  ? ___ratelimit+0x3b4/0x672
[  338.350898]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.356028]  ? trace_hardirqs_on+0x310/0x310
[  338.360429]  ? lock_downgrade+0x900/0x900
[  338.364573]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  338.369667]  ? ___ratelimit+0x3b9/0x672
[  338.373648]  ? idr_get_free+0xf70/0xf70
[  338.377630]  ? find_held_lock+0x36/0x1c0
[  338.381708]  oom_kill_process.cold.27+0x10/0x903
[  338.386658]  ? zap_class+0x640/0x640
[  338.390375]  ? check_preemption_disabled+0x48/0x280
[  338.395396]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.401132]  ? kasan_check_read+0x11/0x20
[  338.405274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.410562]  ? oom_evaluate_task+0x540/0x540
[  338.414981]  ? find_held_lock+0x36/0x1c0
[  338.419108]  ? out_of_memory+0x974/0x1430
[  338.423270]  ? lock_downgrade+0x900/0x900
[  338.427426]  ? check_preemption_disabled+0x48/0x280
[  338.432453]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.437396]  ? kasan_check_read+0x11/0x20
[  338.441538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.446823]  ? rcu_softirq_qs+0x20/0x20
[  338.450899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.456469]  ? oom_evaluate_task+0x302/0x540
[  338.460876]  out_of_memory+0xa84/0x1430
[  338.464862]  ? oom_killer_disable+0x3a0/0x3a0
[  338.469348]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  338.474279]  ? __ww_mutex_check_waiters+0x160/0x160
[  338.479315]  __alloc_pages_slowpath+0x2354/0x2e10
[  338.484355]  ? warn_alloc+0x120/0x120
[  338.488148]  ? mark_held_locks+0x130/0x130
[  338.492398]  ? find_get_entry+0xaae/0x1120
[  338.496635]  ? filemap_map_pages+0x1a20/0x1a20
[  338.501247]  ? zap_class+0x640/0x640
[  338.504979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.510514]  ? check_preemption_disabled+0x48/0x280
[  338.515521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.521049]  ? should_fail+0x22d/0xd01
[  338.524931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.530024]  ? zap_class+0x640/0x640
[  338.533750]  ? __lock_is_held+0xb5/0x140
[  338.537817]  ? mark_held_locks+0x130/0x130
[  338.542060]  ? lock_release+0xa00/0xa00
[  338.546025]  ? perf_trace_sched_process_exec+0x860/0x860
[  338.551474]  ? xa_load+0x2ba/0x460
[  338.555020]  ? lock_downgrade+0x900/0x900
[  338.559205]  ? __might_sleep+0x95/0x190
[  338.563177]  __alloc_pages_nodemask+0xa80/0xde0
[  338.567843]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  338.572881]  ? __page_cache_alloc+0x191/0x5c0
[  338.577369]  ? xa_load+0x2e1/0x460
[  338.580907]  ? xa_clear_mark+0x40/0x40
[  338.584806]  ? zap_class+0x640/0x640
[  338.588535]  ? zap_class+0x640/0x640
[  338.592255]  ? zap_class+0x640/0x640
[  338.595964]  ? __do_page_cache_readahead+0x663/0x810
[  338.601078]  ? find_held_lock+0x36/0x1c0
[  338.605163]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  338.610700]  alloc_pages_current+0x173/0x350
[  338.615137]  __page_cache_alloc+0x38c/0x5c0
[  338.619476]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.624412]  ? kasan_check_read+0x11/0x20
[  338.628554]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.633855]  ? generic_perform_write+0x6a0/0x6a0
[  338.638603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.644183]  ? check_preemption_disabled+0x48/0x280
[  338.649220]  filemap_fault+0x1595/0x25f0
[  338.653300]  ? __lock_page_or_retry+0xa00/0xa00
[  338.658005]  ? mark_held_locks+0x130/0x130
[  338.662240]  ? filemap_map_pages+0xd6b/0x1a20
[  338.666736]  ? lock_downgrade+0x900/0x900
[  338.670878]  ? check_preemption_disabled+0x48/0x280
[  338.675887]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.680825]  ? kasan_check_read+0x11/0x20
[  338.684967]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.690235]  ? rcu_softirq_qs+0x20/0x20
[  338.694228]  ? filemap_map_pages+0xd92/0x1a20
[  338.698744]  ? find_get_entries_tag+0x1400/0x1400
[  338.703581]  ? debug_object_destroy+0x2b0/0x2b0
[  338.708259]  ? lock_pi_update_atomic+0x150/0x150
[  338.713007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.718547]  ? lock_acquire+0x1ed/0x520
[  338.722513]  ? ext4_filemap_fault+0x7a/0xad
[  338.726832]  ? lock_release+0xa00/0xa00
[  338.730821]  ? perf_trace_sched_process_exec+0x860/0x860
[  338.736266]  ? print_usage_bug+0xc0/0xc0
[  338.740368]  ? print_usage_bug+0xc0/0xc0
[  338.744456]  ? down_read+0x8d/0x120
[  338.748129]  ? ext4_filemap_fault+0x7a/0xad
[  338.752478]  ? __down_interruptible+0x700/0x700
[  338.757172]  ext4_filemap_fault+0x82/0xad
[  338.761318]  __do_fault+0x100/0x6b0
[  338.764948]  ? pmd_devmap_trans_unstable+0x220/0x220
[  338.770046]  ? mark_held_locks+0x130/0x130
[  338.774291]  ? mark_held_locks+0x130/0x130
[  338.778556]  ? debug_smp_processor_id+0x1c/0x20
[  338.783268]  ? perf_trace_lock+0x14d/0x7a0
[  338.787515]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  338.793144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.798681]  __handle_mm_fault+0x3ea0/0x5be0
[  338.803136]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  338.807990]  ? lock_is_held_type+0x210/0x210
[  338.812397]  ? file_remove_privs+0x540/0x540
[  338.816814]  ? zap_class+0x640/0x640
[  338.820531]  ? zap_class+0x640/0x640
[  338.824270]  ? __x64_sys_futex+0x53e/0x6a0
[  338.828505]  ? find_held_lock+0x36/0x1c0
[  338.832629]  ? handle_mm_fault+0x42a/0xc70
[  338.836876]  ? lock_downgrade+0x900/0x900
[  338.841052]  ? check_preemption_disabled+0x48/0x280
[  338.846064]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.851005]  ? kasan_check_read+0x11/0x20
[  338.855148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.860416]  ? rcu_softirq_qs+0x20/0x20
[  338.864386]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.869484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.875042]  ? check_preemption_disabled+0x48/0x280
[  338.880064]  handle_mm_fault+0x54f/0xc70
[  338.884145]  ? __handle_mm_fault+0x5be0/0x5be0
[  338.888733]  ? find_vma+0x34/0x190
[  338.892271]  __do_page_fault+0x5e8/0xe60
[  338.896328]  ? trace_hardirqs_off+0xb8/0x310
[  338.900795]  do_page_fault+0xf2/0x7e0
[  338.904606]  ? vmalloc_sync_all+0x30/0x30
[  338.908746]  ? error_entry+0x70/0xd0
[  338.912456]  ? trace_hardirqs_off_caller+0xbb/0x310
[  338.917483]  ? trace_hardirqs_on_caller+0xc0/0x310
[  338.922473]  ? syscall_return_slowpath+0x5e0/0x5e0
[  338.927412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.932249]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.937277]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  338.942725]  ? prepare_exit_to_usermode+0x291/0x3b0
[  338.947736]  ? page_fault+0x8/0x30
[  338.951272]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.956122]  ? page_fault+0x8/0x30
[  338.959674]  page_fault+0x1e/0x30
[  338.963139] RIP: 0033:0x40f9c0
[  338.966348] Code: Bad RIP value.
[  338.969705] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  338.975065] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  338.982338] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  338.989616] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  338.996877] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  339.004159] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  339.011451] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  339.011453] Mem-Info:
[  339.011482] active_anon:50082 inactive_anon:201 isolated_anon:0
[  339.011482]  active_file:11 inactive_file:13 isolated_file:0
[  339.011482]  unevictable:0 dirty:0 writeback:0 unstable:0
[  339.011482]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  339.011482]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  339.011482]  free:13738 free_pcp:300 free_cma:0
[  339.018659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  339.021086] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  339.053923] Call Trace:
[  339.063260] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  339.090738]  <IRQ>
[  339.093303] lowmem_reserve[]: 0 2818 6321 6321
[  339.119399]  dump_stack+0x244/0x39d
[  339.121550] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  339.126139]  ? dump_stack_print_info.cold.1+0x20/0x20
[  339.129735] lowmem_reserve[]: 0 0 3503 3503
[  339.157314]  warn_alloc.cold.116+0xb7/0x1bd
[  339.162474] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  339.166799]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  339.171099] lowmem_reserve[]: 0 0 0 0
[  339.199981]  ? lock_downgrade+0x900/0x900
[  339.204816] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  339.208611]  ? trace_hardirqs_off+0xb8/0x310
[  339.212729] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  339.226269]  ? trace_hardirqs_off+0xb8/0x310
[  339.230648] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  339.245722]  __alloc_pages_slowpath+0x26e8/0x2e10
[  339.250128] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  339.264710]  ? warn_alloc+0x120/0x120
[  339.269550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  339.278400]  ? print_usage_bug+0xc0/0xc0
[  339.282172] 268 total pagecache pages
[  339.290735]  ? warn_alloc+0x120/0x120
[  339.294773] 0 pages in swap cache
[  339.298569]  ? warn_alloc+0x120/0x120
[  339.302358] Swap cache stats: add 0, delete 0, find 0/0
[  339.305800]  ? print_usage_bug+0xc0/0xc0
[  339.309573] Free swap  = 0kB
[  339.314923]  ? kvm_clock_read+0x18/0x30
[  339.319407] Total swap = 0kB
[  339.322445]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  339.326390] 1965979 pages RAM
[  339.329395]  ? print_usage_bug+0xc0/0xc0
[  339.334391] 0 pages HighMem/MovableOnly
[  339.337485]  ? __lock_acquire+0x62f/0x4c20
[  339.341533] 342853 pages reserved
[  339.345495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.349714] 0 pages cma reserved
[  339.353156]  ? should_fail+0x22d/0xd01
[  339.358772] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  339.362071]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.362086]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.366065] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.372460]  ? __lock_acquire+0x62f/0x4c20
[  339.377725] syz-fuzzer cpuset=/ mems_allowed=0
[  339.382833]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.406913]  ? __lock_acquire+0x62f/0x4c20
[  339.411155]  ? should_fail+0x22d/0xd01
[  339.415032]  ? rcu_irq_exit+0x1a2/0x390
[  339.419007]  ? mark_held_locks+0x130/0x130
[  339.423240]  ? mark_held_locks+0x130/0x130
[  339.427507]  ? mark_held_locks+0xc7/0x130
[  339.431685]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  339.436712]  ? zap_class+0x640/0x640
[  339.440424]  ? print_usage_bug+0xc0/0xc0
[  339.444509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.450041]  ? check_preemption_disabled+0x48/0x280
[  339.455059]  ? __lock_is_held+0xb5/0x140
[  339.459124]  __alloc_pages_nodemask+0xa80/0xde0
[  339.463807]  ? zap_class+0x640/0x640
[  339.467519]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  339.472539]  ? find_held_lock+0x36/0x1c0
[  339.476610]  ? ____cache_alloc_node+0x1c7/0x1e0
[  339.481292]  ? lock_downgrade+0x900/0x900
[  339.485440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.490977]  cache_grow_begin+0xa5/0x8c0
[  339.495031]  ? do_raw_spin_unlock+0xa7/0x330
[  339.499440]  fallback_alloc+0x204/0x2e0
[  339.503416]  ____cache_alloc_node+0x1c7/0x1e0
[  339.507912]  kmem_cache_alloc_node+0xe3/0x730
[  339.512407]  ? ipv6_get_ifaddr+0x42e/0x620
[  339.516660]  __alloc_skb+0x119/0x770
[  339.520378]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.525651]  ? netdev_alloc_frag+0x1f0/0x1f0
[  339.530074]  ? lock_downgrade+0x900/0x900
[  339.534227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.539777]  ? refcount_sub_and_test_checked+0x203/0x310
[  339.545240]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  339.550682]  ? addrconf_rs_timer+0x690/0x690
[  339.555090]  ndisc_alloc_skb+0x144/0x340
[  339.559165]  ndisc_send_rs+0x331/0x6e0
[  339.563060]  addrconf_rs_timer+0x314/0x690
[  339.567320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.571558]  call_timer_fn+0x272/0x920
[  339.575455]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.579698]  ? process_timeout+0x40/0x40
[  339.583763]  ? __run_timers+0x7da/0xc70
[  339.587745]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.592235]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.596718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.600947]  ? lockdep_hardirqs_on+0x296/0x5b0
[  339.605525]  ? trace_hardirqs_on+0xbd/0x310
[  339.609849]  ? kasan_check_read+0x11/0x20
[  339.613989]  ? __run_timers+0x7da/0xc70
[  339.617957]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.623053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.627283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.631510]  __run_timers+0x7e5/0xc70
[  339.635332]  ? timer_fixup_init+0x70/0x70
[  339.639473]  ? kasan_check_read+0x11/0x20
[  339.643652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.648938]  ? rcu_softirq_qs+0x20/0x20
[  339.652905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.658448]  ? check_preemption_disabled+0x48/0x280
[  339.663488]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  339.668239]  ? retint_kernel+0x2d/0x2d
[  339.672137]  ? trace_hardirqs_on_caller+0xc0/0x310
[  339.677059]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  339.681825]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  339.687271]  ? zap_class+0x640/0x640
[  339.690980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.696510]  ? check_preemption_disabled+0x48/0x280
[  339.701529]  ? __lock_is_held+0xb5/0x140
[  339.705597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.711150]  ? check_preemption_disabled+0x48/0x280
[  339.716196]  run_timer_softirq+0x52/0xb0
[  339.720255]  ? rcu_read_lock_sched_held+0x14f/0x180
[  339.725265]  __do_softirq+0x308/0xb7e
[  339.729086]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  339.733593]  ? lock_downgrade+0x900/0x900
[  339.737763]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  339.742868]  ? pvclock_read_flags+0x160/0x160
[  339.747364]  ? lapic_next_event+0x5a/0x90
[  339.751538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.757072]  ? kvm_clock_read+0x18/0x30
[  339.761043]  ? kvm_sched_clock_read+0x9/0x20
[  339.765449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.770980]  ? check_preemption_disabled+0x48/0x280
[  339.776001]  irq_exit+0x17f/0x1c0
[  339.779474]  smp_apic_timer_interrupt+0x1cb/0x760
[  339.784373]  ? smp_reschedule_interrupt+0x109/0x650
[  339.789414]  ? smp_call_function_single_interrupt+0x650/0x650
[  339.795338]  ? interrupt_entry+0xb5/0xc0
[  339.799400]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.804414]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.809485]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.814359]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.819366]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.824400]  ? task_prio+0x50/0x50
[  339.827933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.833506]  ? check_preemption_disabled+0x48/0x280
[  339.838519]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.843361]  apic_timer_interrupt+0xf/0x20
[  339.847610]  </IRQ>
[  339.849843] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  339.854796] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  339.873696] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  339.881397] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  339.888659] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  339.895938] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  339.903214] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  339.910508] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  339.917801]  skb_clone+0x1bb/0x500
[  339.921351]  ? finish_task_switch+0x1b4/0x910
[  339.925840]  ? skb_split+0x11e0/0x11e0
[  339.929755]  ? preempt_notifier_register+0x200/0x200
[  339.934866]  ? __switch_to_asm+0x34/0x70
[  339.938923]  ? __switch_to_asm+0x34/0x70
[  339.942975]  ? __switch_to_asm+0x40/0x70
[  339.947027]  ? __switch_to_asm+0x34/0x70
[  339.951080]  ? __switch_to_asm+0x40/0x70
[  339.955140]  ? __switch_to_asm+0x34/0x70
[  339.959195]  ? __switch_to_asm+0x40/0x70
[  339.963249]  ? __switch_to_asm+0x34/0x70
[  339.967309]  ? __switch_to_asm+0x34/0x70
[  339.971362]  ? __switch_to_asm+0x40/0x70
[  339.975417]  ? __switch_to_asm+0x34/0x70
[  339.979477]  bpf_clone_redirect+0xb9/0x490
[  339.983706]  ? __schedule+0x8d7/0x21d0
[  339.987611]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  339.992639]  ? __sched_text_start+0x8/0x8
[  339.996802]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  340.001379]  ? retint_kernel+0x2d/0x2d
[  340.005260]  ? trace_hardirqs_on_caller+0xc0/0x310
[  340.010192]  ? find_held_lock+0x36/0x1c0
[  340.014273]  ? lock_acquire+0x1ed/0x520
[  340.018261]  ? bpf_test_run+0x3cb/0x780
[  340.022228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.027756]  ? check_preemption_disabled+0x48/0x280
[  340.032769]  ? kasan_check_read+0x11/0x20
[  340.036911]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.042208]  ? rcu_softirq_qs+0x20/0x20
[  340.046234]  ? preempt_schedule+0x4d/0x60
[  340.050377]  ? ___preempt_schedule+0x16/0x18
[  340.054786]  ? bpf_test_run+0x25d/0x780
[  340.058764]  ? netlink_diag_dump+0x2a0/0x2a0
[  340.063201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.068745]  ? bpf_test_init.isra.10+0x70/0x100
[  340.073410]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  340.078166]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  340.083001]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  340.088532]  ? fput+0x130/0x1a0
[  340.091805]  ? __bpf_prog_get+0x9b/0x290
[  340.095909]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  340.100741]  ? bpf_prog_test_run+0x130/0x1a0
[  340.105143]  ? __x64_sys_bpf+0x3d8/0x520
[  340.109196]  ? bpf_prog_get+0x20/0x20
[  340.113005]  ? do_syscall_64+0x1b9/0x820
[  340.117055]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  340.122417]  ? syscall_return_slowpath+0x5e0/0x5e0
[  340.127343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.132198]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.137208]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  340.142238]  ? prepare_exit_to_usermode+0x291/0x3b0
[  340.147283]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.152166]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  340.157568] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  340.157623] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  340.164515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  340.164520] Call Trace:
[  340.164525]  <IRQ>
[  340.164539]  dump_stack+0x244/0x39d
[  340.164557]  ? dump_stack_print_info.cold.1+0x20/0x20
[  340.171085] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  340.180406]  warn_alloc.cold.116+0xb7/0x1bd
[  340.182955] syz-executor3 cpuset=syz3 mems_allowed=0
[  340.185101]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  340.218591]  ? lock_downgrade+0x900/0x900
[  340.222751]  ? trace_hardirqs_off+0xb8/0x310
[  340.227158]  ? trace_hardirqs_off+0xb8/0x310
[  340.231612]  __alloc_pages_slowpath+0x26e8/0x2e10
[  340.236495]  ? warn_alloc+0x120/0x120
[  340.240294]  ? print_usage_bug+0xc0/0xc0
[  340.244411]  ? warn_alloc+0x120/0x120
[  340.248212]  ? warn_alloc+0x120/0x120
[  340.252087]  ? print_usage_bug+0xc0/0xc0
[  340.256167]  ? kvm_clock_read+0x18/0x30
[  340.260135]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  340.265177]  ? print_usage_bug+0xc0/0xc0
[  340.269237]  ? __lock_acquire+0x62f/0x4c20
[  340.273469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.278998]  ? should_fail+0x22d/0xd01
[  340.282879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.288163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.293259]  ? __lock_acquire+0x62f/0x4c20
[  340.297489]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.302586]  ? __lock_acquire+0x62f/0x4c20
[  340.306815]  ? should_fail+0x22d/0xd01
[  340.310696]  ? rcu_irq_exit+0x1a2/0x390
[  340.314672]  ? mark_held_locks+0x130/0x130
[  340.319341]  ? mark_held_locks+0x130/0x130
[  340.323591]  ? try_to_wake_up+0x11c/0x1490
[  340.327820]  ? lock_downgrade+0x900/0x900
[  340.331976]  ? zap_class+0x640/0x640
[  340.335683]  ? print_usage_bug+0xc0/0xc0
[  340.339739]  ? trace_hardirqs_off+0xb8/0x310
[  340.344161]  ? kasan_check_read+0x11/0x20
[  340.348305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.353836]  ? check_preemption_disabled+0x48/0x280
[  340.358854]  ? __lock_is_held+0xb5/0x140
[  340.362931]  __alloc_pages_nodemask+0xa80/0xde0
[  340.367596]  ? zap_class+0x640/0x640
[  340.371408]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  340.376474]  ? find_held_lock+0x36/0x1c0
[  340.380540]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.385230]  ? lock_downgrade+0x900/0x900
[  340.389379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.394961]  cache_grow_begin+0xa5/0x8c0
[  340.399014]  ? do_raw_spin_unlock+0xa7/0x330
[  340.403455]  fallback_alloc+0x204/0x2e0
[  340.407443]  ____cache_alloc_node+0x1c7/0x1e0
[  340.411967]  kmem_cache_alloc_node+0xe3/0x730
[  340.416474]  ? ipv6_get_ifaddr+0x42e/0x620
[  340.420737]  __alloc_skb+0x119/0x770
[  340.424442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.429718]  ? netdev_alloc_frag+0x1f0/0x1f0
[  340.434135]  ? lock_downgrade+0x900/0x900
[  340.438329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.443863]  ? refcount_sub_and_test_checked+0x203/0x310
[  340.449496]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  340.454943]  ? addrconf_rs_timer+0x690/0x690
[  340.459366]  ndisc_alloc_skb+0x144/0x340
[  340.463456]  ndisc_send_rs+0x331/0x6e0
[  340.467352]  addrconf_rs_timer+0x314/0x690
[  340.471583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.475820]  call_timer_fn+0x272/0x920
[  340.479714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.483941]  ? process_timeout+0x40/0x40
[  340.488023]  ? mark_held_locks+0xc7/0x130
[  340.492182]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.496700]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.501187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.505411]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.509985]  ? trace_hardirqs_on+0xbd/0x310
[  340.514301]  ? kasan_check_read+0x11/0x20
[  340.518440]  ? __run_timers+0x7da/0xc70
[  340.522428]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.527526]  ? __queue_work+0x1440/0x1440
[  340.531684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.535925]  __run_timers+0x7e5/0xc70
[  340.539755]  ? timer_fixup_init+0x70/0x70
[  340.543916]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  340.548926]  ? zap_class+0x640/0x640
[  340.552640]  ? print_usage_bug+0xc0/0xc0
[  340.556698]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  340.561887]  ? find_held_lock+0x36/0x1c0
[  340.565943]  ? zap_class+0x640/0x640
[  340.569658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.575223]  ? check_preemption_disabled+0x48/0x280
[  340.580242]  ? __lock_is_held+0xb5/0x140
[  340.584299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.589846]  ? check_preemption_disabled+0x48/0x280
[  340.594857]  run_timer_softirq+0x52/0xb0
[  340.598910]  ? rcu_read_lock_sched_held+0x14f/0x180
[  340.603916]  __do_softirq+0x308/0xb7e
[  340.607715]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  340.612227]  ? lock_downgrade+0x900/0x900
[  340.616371]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  340.621478]  ? pvclock_read_flags+0x160/0x160
[  340.625968]  ? lapic_next_event+0x5a/0x90
[  340.630136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.635669]  ? kvm_clock_read+0x18/0x30
[  340.639636]  ? kvm_sched_clock_read+0x9/0x20
[  340.644040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.649572]  ? check_preemption_disabled+0x48/0x280
[  340.654585]  irq_exit+0x17f/0x1c0
[  340.658102]  smp_apic_timer_interrupt+0x1cb/0x760
[  340.662958]  ? smp_reschedule_interrupt+0x109/0x650
[  340.668078]  ? smp_call_function_single_interrupt+0x650/0x650
[  340.673964]  ? interrupt_entry+0xb5/0xc0
[  340.678050]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.683055]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.688065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.692917]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.697940]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.702977]  ? task_prio+0x50/0x50
[  340.706528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.712063]  ? check_preemption_disabled+0x48/0x280
[  340.717084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.721938]  apic_timer_interrupt+0xf/0x20
[  340.726197]  </IRQ>
[  340.728431] RIP: 0010:dump_stack+0x358/0x39d
[  340.732846] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  340.751736] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  340.759450] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  340.766714] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  340.773977] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  340.781255] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  340.788536] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  340.795827]  ? dump_stack+0x34f/0x39d
[  340.799630]  ? dump_stack_print_info.cold.1+0x20/0x20
[  340.804821]  ? mark_held_locks+0x130/0x130
[  340.809064]  ? mark_held_locks+0x130/0x130
[  340.813292]  dump_header+0x27b/0xf72
[  340.817024]  ? pagefault_out_of_memory+0x197/0x197
[  340.821955]  ? __lock_acquire+0x62f/0x4c20
[  340.826214]  ? percpu_ref_get_many+0x240/0x240
[  340.830791]  ? print_usage_bug+0xc0/0xc0
[  340.834849]  ? zap_class+0x640/0x640
[  340.838558]  ? print_usage_bug+0xc0/0xc0
[  340.842625]  ? print_usage_bug+0xc0/0xc0
[  340.846678]  ? zap_class+0x640/0x640
[  340.850390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.855957]  ? find_held_lock+0x36/0x1c0
[  340.860085]  ? mark_held_locks+0xc7/0x130
[  340.864320]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  340.869443]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  340.874554]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  340.879155]  ? trace_hardirqs_on+0xbd/0x310
[  340.883470]  ? kasan_check_read+0x11/0x20
[  340.887651]  ? ___ratelimit+0x3b4/0x672
[  340.891638]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.896737]  ? trace_hardirqs_on+0x310/0x310
[  340.901191]  ? lock_downgrade+0x900/0x900
[  340.905346]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  340.910456]  ? ___ratelimit+0x3b9/0x672
[  340.914443]  ? idr_get_free+0xf70/0xf70
[  340.918482]  ? find_held_lock+0x36/0x1c0
[  340.922548]  oom_kill_process.cold.27+0x10/0x903
[  340.927342]  ? zap_class+0x640/0x640
[  340.931051]  ? check_preemption_disabled+0x48/0x280
[  340.936086]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  340.941034]  ? kasan_check_read+0x11/0x20
[  340.945189]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.950463]  ? oom_evaluate_task+0x540/0x540
[  340.954883]  ? find_held_lock+0x36/0x1c0
[  340.958957]  ? out_of_memory+0x974/0x1430
[  340.963122]  ? lock_downgrade+0x900/0x900
[  340.967282]  ? check_preemption_disabled+0x48/0x280
[  340.972308]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  340.977251]  ? kasan_check_read+0x11/0x20
[  340.981399]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.986701]  ? rcu_softirq_qs+0x20/0x20
[  340.990693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.996223]  ? oom_evaluate_task+0x302/0x540
[  341.000648]  out_of_memory+0xa84/0x1430
[  341.004653]  ? oom_killer_disable+0x3a0/0x3a0
[  341.009171]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  341.014122]  ? __ww_mutex_check_waiters+0x160/0x160
[  341.019166]  __alloc_pages_slowpath+0x2354/0x2e10
[  341.024057]  ? warn_alloc+0x120/0x120
[  341.027849]  ? mark_held_locks+0x130/0x130
[  341.032085]  ? find_get_entry+0xaae/0x1120
[  341.036367]  ? filemap_map_pages+0x1a20/0x1a20
[  341.040980]  ? zap_class+0x640/0x640
[  341.044718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.050277]  ? check_preemption_disabled+0x48/0x280
[  341.055302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.060846]  ? should_fail+0x22d/0xd01
[  341.064746]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.069844]  ? zap_class+0x640/0x640
[  341.073571]  ? __lock_is_held+0xb5/0x140
[  341.077672]  ? mark_held_locks+0x130/0x130
[  341.081920]  ? lock_release+0xa00/0xa00
[  341.085887]  ? perf_trace_sched_process_exec+0x860/0x860
[  341.091337]  ? xa_load+0x2ba/0x460
[  341.094872]  ? lock_downgrade+0x900/0x900
[  341.099031]  ? __might_sleep+0x95/0x190
[  341.102998]  __alloc_pages_nodemask+0xa80/0xde0
[  341.107684]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  341.112732]  ? __page_cache_alloc+0x191/0x5c0
[  341.117221]  ? xa_load+0x2e1/0x460
[  341.120756]  ? xa_clear_mark+0x40/0x40
[  341.124641]  ? zap_class+0x640/0x640
[  341.128373]  ? zap_class+0x640/0x640
[  341.132077]  ? zap_class+0x640/0x640
[  341.135811]  ? __do_page_cache_readahead+0x663/0x810
[  341.140943]  ? find_held_lock+0x36/0x1c0
[  341.145015]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  341.150568]  alloc_pages_current+0x173/0x350
[  341.155003]  __page_cache_alloc+0x38c/0x5c0
[  341.159334]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.164253]  ? kasan_check_read+0x11/0x20
[  341.168392]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.173682]  ? generic_perform_write+0x6a0/0x6a0
[  341.178463]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.184006]  ? check_preemption_disabled+0x48/0x280
[  341.189036]  filemap_fault+0x1595/0x25f0
[  341.193168]  ? __lock_page_or_retry+0xa00/0xa00
[  341.197833]  ? mark_held_locks+0x130/0x130
[  341.202067]  ? filemap_map_pages+0xd6b/0x1a20
[  341.206564]  ? lock_downgrade+0x900/0x900
[  341.210718]  ? check_preemption_disabled+0x48/0x280
[  341.215729]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.220675]  ? kasan_check_read+0x11/0x20
[  341.224832]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.230133]  ? rcu_softirq_qs+0x20/0x20
[  341.234138]  ? filemap_map_pages+0xd92/0x1a20
[  341.238651]  ? find_get_entries_tag+0x1400/0x1400
[  341.243525]  ? debug_object_destroy+0x2b0/0x2b0
[  341.248222]  ? lock_pi_update_atomic+0x150/0x150
[  341.252970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.258509]  ? lock_acquire+0x1ed/0x520
[  341.262475]  ? ext4_filemap_fault+0x7a/0xad
[  341.266815]  ? lock_release+0xa00/0xa00
[  341.270786]  ? perf_trace_sched_process_exec+0x860/0x860
[  341.276263]  ? print_usage_bug+0xc0/0xc0
[  341.280339]  ? print_usage_bug+0xc0/0xc0
[  341.284407]  ? down_read+0x8d/0x120
[  341.288027]  ? ext4_filemap_fault+0x7a/0xad
[  341.292347]  ? __down_interruptible+0x700/0x700
[  341.297022]  ext4_filemap_fault+0x82/0xad
[  341.301208]  __do_fault+0x100/0x6b0
[  341.304862]  ? pmd_devmap_trans_unstable+0x220/0x220
[  341.309970]  ? mark_held_locks+0x130/0x130
[  341.314210]  ? mark_held_locks+0x130/0x130
[  341.318474]  ? debug_smp_processor_id+0x1c/0x20
[  341.323153]  ? perf_trace_lock+0x14d/0x7a0
[  341.327387]  ? fault_dirty_shared_page.isra.87+0x320/0x320
[  341.333027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.338565]  __handle_mm_fault+0x3ea0/0x5be0
[  341.342981]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  341.347829]  ? lock_is_held_type+0x210/0x210
[  341.352239]  ? file_remove_privs+0x540/0x540
[  341.356659]  ? zap_class+0x640/0x640
[  341.360375]  ? zap_class+0x640/0x640
[  341.364112]  ? __x64_sys_futex+0x53e/0x6a0
[  341.368407]  ? find_held_lock+0x36/0x1c0
[  341.372512]  ? handle_mm_fault+0x42a/0xc70
[  341.376759]  ? lock_downgrade+0x900/0x900
[  341.380900]  ? check_preemption_disabled+0x48/0x280
[  341.385911]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.390832]  ? kasan_check_read+0x11/0x20
[  341.394971]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.400240]  ? rcu_softirq_qs+0x20/0x20
[  341.404234]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.409360]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.414892]  ? check_preemption_disabled+0x48/0x280
[  341.419922]  handle_mm_fault+0x54f/0xc70
[  341.423985]  ? __handle_mm_fault+0x5be0/0x5be0
[  341.428586]  ? find_vma+0x34/0x190
[  341.432162]  __do_page_fault+0x5e8/0xe60
[  341.436235]  ? trace_hardirqs_off+0xb8/0x310
[  341.440678]  do_page_fault+0xf2/0x7e0
[  341.444475]  ? vmalloc_sync_all+0x30/0x30
[  341.448630]  ? error_entry+0x70/0xd0
[  341.452336]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.457347]  ? trace_hardirqs_on_caller+0xc0/0x310
[  341.462272]  ? syscall_return_slowpath+0x5e0/0x5e0
[  341.467201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.472071]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.477088]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  341.482560]  ? prepare_exit_to_usermode+0x291/0x3b0
[  341.487567]  ? page_fault+0x8/0x30
[  341.491124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.495972]  ? page_fault+0x8/0x30
[  341.499560]  page_fault+0x1e/0x30
[  341.503001] RIP: 0033:0x40f9c0
[  341.506207] Code: Bad RIP value.
[  341.509571] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  341.514971] RAX: ffffffffffffff92 RBX: 000000003b97a2f1 RCX: 000000000045ddf3
[  341.522229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  341.529505] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  341.536783] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  341.544041] R13: 00000000000000f3 R14: 0000000000000033 R15: 0000000000000001
[  341.551337] CPU: 1 PID: 9080 Comm: syz-executor3 Not tainted 4.20.0-rc1+ #82
[  341.551341] warn_alloc_show_mem: 1 callbacks suppressed
[  341.551347] Mem-Info:
[  341.558525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.563900] active_anon:50082 inactive_anon:201 isolated_anon:0
[  341.563900]  active_file:11 inactive_file:13 isolated_file:0
[  341.563900]  unevictable:0 dirty:0 writeback:0 unstable:0
[  341.563900]  slab_reclaimable:9052 slab_unreclaimable:1458191
[  341.563900]  mapped:40962 shmem:244 pagetables:588 bounce:0
[  341.563900]  free:13738 free_pcp:300 free_cma:0
[  341.566287] Call Trace:
[  341.575694] Node 0 active_anon:200328kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 184320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  341.608532]  <IRQ>
[  341.611118] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  341.638608]  dump_stack+0x244/0x39d
[  341.640742] lowmem_reserve[]: 0 2818 6321 6321
[  341.666857]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.670453] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  341.675025]  warn_alloc.cold.116+0xb7/0x1bd
[  341.680177] lowmem_reserve[]: 0 0 3503 3503
[  341.707753]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.712045] Node 0 Normal free:13868kB min:37364kB low:46704kB high:56044kB active_anon:196232kB inactive_anon:804kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6656kB pagetables:2352kB bounce:0kB free_pcp:952kB local_pcp:592kB free_cma:0kB
[  341.716386]  ? lock_downgrade+0x900/0x900
[  341.721200] lowmem_reserve[]: 0 0 0 0
[  341.750076]  ? trace_hardirqs_off+0xb8/0x310
[  341.754194] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  341.757988]  ? trace_hardirqs_off+0xb8/0x310
[  341.762364] Node 0 DMA32: 4*4kB (M) 1*8kB (M) 2*16kB (UM) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB
[  341.775906]  __alloc_pages_slowpath+0x26e8/0x2e10
[  341.780283] Node 0 Normal: 775*4kB (UMEH) 460*8kB (UME) 205*16kB (ME) 72*32kB (UME) 22*64kB (UM) 1*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13900kB
[  341.795388]  ? warn_alloc+0x120/0x120
[  341.800193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  341.814748]  ? print_usage_bug+0xc0/0xc0
[  341.818525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  341.827341]  ? warn_alloc+0x120/0x120
[  341.831388] 268 total pagecache pages
[  341.839947]  ? warn_alloc+0x120/0x120
[  341.843736] 0 pages in swap cache
[  341.847519]  ? print_usage_bug+0xc0/0xc0
[  341.851294] Swap cache stats: add 0, delete 0, find 0/0
[  341.854759]  ? print_usage_bug+0xc0/0xc0
[  341.858791] Free swap  = 0kB
[  341.864149]  ? __lock_acquire+0x62f/0x4c20
[  341.868180] Total swap = 0kB
[  341.871198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.875421] 1965979 pages RAM
[  341.878470]  ? should_fail+0x22d/0xd01
[  341.883980] 0 pages HighMem/MovableOnly
[  341.887089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.890981] 342853 pages reserved
[  341.894940]  ? __lock_acquire+0x62f/0x4c20
[  341.900015] 0 pages cma reserved
[  341.903458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.907746] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  341.911058]  ? __lock_acquire+0x62f/0x4c20
[  341.911091]  ? should_fail+0x22d/0xd01
[  341.916296] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.922689]  ? find_held_lock+0x36/0x1c0
[  341.926895] syz-fuzzer cpuset=/ mems_allowed=0
[  341.930770]  ? mark_held_locks+0x130/0x130
[  341.953810]  ? mark_held_locks+0x130/0x130
[  341.958035]  ? zap_class+0x640/0x640
[  341.961755]  ? zap_class+0x640/0x640
[  341.965463]  ? print_usage_bug+0xc0/0xc0
[  341.969517]  ? do_raw_spin_unlock+0xa7/0x330
[  341.973935]  ? zap_class+0x640/0x640
[  341.977642]  ? print_usage_bug+0xc0/0xc0
[  341.981696]  ? wq_watchdog_touch+0x9c/0xfe
[  341.985926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.991457]  ? check_preemption_disabled+0x48/0x280
[  341.996532]  ? __lock_is_held+0xb5/0x140
[  342.000597]  __alloc_pages_nodemask+0xa80/0xde0
[  342.005270]  ? zap_class+0x640/0x640
[  342.008999]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  342.014019]  ? find_held_lock+0x36/0x1c0
[  342.018081]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.022756]  ? lock_downgrade+0x900/0x900
[  342.026936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.032490]  cache_grow_begin+0xa5/0x8c0
[  342.036576]  ? do_raw_spin_unlock+0xa7/0x330
[  342.040986]  fallback_alloc+0x204/0x2e0
[  342.044959]  ____cache_alloc_node+0x1c7/0x1e0
[  342.049477]  kmem_cache_alloc_node+0xe3/0x730
[  342.053979]  ? ipv6_get_ifaddr+0x42e/0x620
[  342.058216]  __alloc_skb+0x119/0x770
[  342.061923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.067198]  ? netdev_alloc_frag+0x1f0/0x1f0
[  342.071601]  ? lock_downgrade+0x900/0x900
[  342.075766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.081298]  ? refcount_sub_and_test_checked+0x203/0x310
[  342.086760]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  342.092206]  ? addrconf_rs_timer+0x690/0x690
[  342.096657]  ndisc_alloc_skb+0x144/0x340
[  342.100716]  ndisc_send_rs+0x331/0x6e0
[  342.104599]  addrconf_rs_timer+0x314/0x690
[  342.108837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.113072]  call_timer_fn+0x272/0x920
[  342.116988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.121219]  ? process_timeout+0x40/0x40
[  342.125281]  ? __run_timers+0x7da/0xc70
[  342.129248]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.133851]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.138353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.142582]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.147167]  ? trace_hardirqs_on+0xbd/0x310
[  342.151508]  ? kasan_check_read+0x11/0x20
[  342.155644]  ? __run_timers+0x7da/0xc70
[  342.159645]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.164750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.168981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.173206]  __run_timers+0x7e5/0xc70
[  342.177037]  ? timer_fixup_init+0x70/0x70
[  342.181185]  ? kasan_check_read+0x11/0x20
[  342.185440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.190707]  ? rcu_softirq_qs+0x20/0x20
[  342.194693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.200267]  ? check_preemption_disabled+0x48/0x280
[  342.205297]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  342.210047]  ? retint_kernel+0x2d/0x2d
[  342.213930]  ? trace_hardirqs_on_caller+0xc0/0x310
[  342.218869]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  342.223642]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  342.229110]  ? zap_class+0x640/0x640
[  342.232839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.238402]  ? check_preemption_disabled+0x48/0x280
[  342.243422]  ? __lock_is_held+0xb5/0x140
[  342.247527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.253070]  ? check_preemption_disabled+0x48/0x280
[  342.258088]  run_timer_softirq+0x52/0xb0
[  342.262171]  ? rcu_read_lock_sched_held+0x14f/0x180
[  342.267181]  __do_softirq+0x308/0xb7e
[  342.270977]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  342.275467]  ? lock_downgrade+0x900/0x900
[  342.279613]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  342.284727]  ? pvclock_read_flags+0x160/0x160
[  342.289232]  ? lapic_next_event+0x5a/0x90
[  342.293391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.298989]  ? kvm_clock_read+0x18/0x30
[  342.302954]  ? kvm_sched_clock_read+0x9/0x20
[  342.307386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.312928]  ? check_preemption_disabled+0x48/0x280
[  342.318129]  irq_exit+0x17f/0x1c0
[  342.321593]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.326440]  ? smp_reschedule_interrupt+0x109/0x650
[  342.331485]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.337383]  ? interrupt_entry+0xb5/0xc0
[  342.341495]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.346571]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.351599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.356463]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.361485]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.366545]  ? task_prio+0x50/0x50
[  342.370081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.375656]  ? check_preemption_disabled+0x48/0x280
[  342.380688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.385552]  apic_timer_interrupt+0xf/0x20
[  342.389777]  </IRQ>
[  342.392033] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  342.396975] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  342.415869] RSP: 0000:ffff880193817738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  342.423569] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  342.430827] RDX: 0000000000000000 RSI: ffff8801c71b8a80 RDI: 0000000000000286
[  342.438108] RBP: ffff8801938177a0 R08: ffff8801c71b8200 R09: 0000000000000000
[  342.445368] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  342.453133] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  342.460447]  skb_clone+0x1bb/0x500
[  342.463985]  ? finish_task_switch+0x1b4/0x910
[  342.468481]  ? skb_split+0x11e0/0x11e0
[  342.472365]  ? preempt_notifier_register+0x200/0x200
[  342.477479]  ? __switch_to_asm+0x34/0x70
[  342.481534]  ? __switch_to_asm+0x34/0x70
[  342.485584]  ? __switch_to_asm+0x40/0x70
[  342.489643]  ? __switch_to_asm+0x34/0x70
[  342.493714]  ? __switch_to_asm+0x40/0x70
[  342.497795]  ? __switch_to_asm+0x34/0x70
[  342.501845]  ? __switch_to_asm+0x40/0x70
[  342.505943]  ? __switch_to_asm+0x34/0x70
[  342.510012]  ? __switch_to_asm+0x34/0x70
[  342.514074]  ? __switch_to_asm+0x40/0x70
[  342.518161]  ? __switch_to_asm+0x34/0x70
[  342.522237]  bpf_clone_redirect+0xb9/0x490
[  342.526477]  ? __schedule+0x8d7/0x21d0
[  342.530362]  bpf_prog_bebbfe2050753572+0x289/0x1000
[  342.535427]  ? __sched_text_start+0x8/0x8
[  342.539587]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  342.544167]  ? retint_kernel+0x2d/0x2d
[  342.548046]  ? trace_hardirqs_on_caller+0xc0/0x310
[  342.552972]  ? find_held_lock+0x36/0x1c0
[  342.557035]  ? lock_acquire+0x1ed/0x520
[  342.561004]  ? bpf_test_run+0x3cb/0x780
[  342.564969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.570505]  ? check_preemption_disabled+0x48/0x280
[  342.575524]  ? kasan_check_read+0x11/0x20
[  342.579667]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.584937]  ? rcu_softirq_qs+0x20/0x20
[  342.588903]  ? preempt_schedule+0x4d/0x60
[  342.593044]  ? ___preempt_schedule+0x16/0x18
[  342.597452]  ? bpf_test_run+0x25d/0x780
[  342.601463]  ? netlink_diag_dump+0x2a0/0x2a0
[  342.605938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.611472]  ? bpf_test_init.isra.10+0x70/0x100
[  342.616156]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  342.620913]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  342.625745]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  342.631276]  ? fput+0x130/0x1a0
[  342.634550]  ? __bpf_prog_get+0x9b/0x290
[  342.638613]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  342.643481]  ? bpf_prog_test_run+0x130/0x1a0
[  342.647904]  ? __x64_sys_bpf+0x3d8/0x520
[  342.651958]  ? bpf_prog_get+0x20/0x20
[  342.655768]  ? do_syscall_64+0x1b9/0x820
[  342.659821]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  342.665179]  ? syscall_return_slowpath+0x5e0/0x5e0
[  342.670108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.674980]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.680019]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  342.685028]  ? prepare_exit_to_usermode+0x291/0x3b0
[  342.690039]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.694881]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  342.700251] CPU: 0 PID: 5993 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #82
[  342.700319] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  342.707170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  342.707174] Call Trace:
[  342.707179]  <IRQ>
[  342.707194]  dump_stack+0x244/0x39d
[  342.707234]  ? dump_stack_print_info.cold.1+0x20/0x20
[  342.713779] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  342.723079]  warn_alloc.cold.116+0xb7/0x1bd
[  342.725630] syz-executor3 cpuset=syz3 mems_allowed=0
[  342.727769]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  342.761267]  ? lock_downgrade+0x900/0x900
[  342.765434]  ? trace_hardirqs_off+0xb8/0x310
[  342.769846]  ? trace_hardirqs_off+0xb8/0x310
[  342.774260]  __alloc_pages_slowpath+0x26e8/0x2e10
[  342.779135]  ? warn_alloc+0x120/0x120
[  342.782935]  ? print_usage_bug+0xc0/0xc0
[  342.786988]  ? warn_alloc+0x120/0x120
[  342.790791]  ? warn_alloc+0x120/0x120
[  342.794597]  ? print_usage_bug+0xc0/0xc0
[  342.798678]  ? kvm_clock_read+0x18/0x30
[  342.802642]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  342.807654]  ? print_usage_bug+0xc0/0xc0
[  342.811725]  ? __lock_acquire+0x62f/0x4c20
[  342.815975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.821519]  ? should_fail+0x22d/0xd01
[  342.825412]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.830691]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.835787]  ? __lock_acquire+0x62f/0x4c20
[  342.840036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.845138]  ? __lock_acquire+0x62f/0x4c20
[  342.849368]  ? should_fail+0x22d/0xd01
[  342.853258]  ? rcu_irq_exit+0x1a2/0x390
[  342.857252]  ? mark_held_locks+0x130/0x130
[  342.861487]  ? mark_held_locks+0x130/0x130
[  342.865724]  ? mark_held_locks+0xc7/0x130
[  342.869878]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  342.874885]  ? zap_class+0x640/0x640
[  342.878635]  ? print_usage_bug+0xc0/0xc0
[  342.882707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.888235]  ? check_preemption_disabled+0x48/0x280
[  342.893250]  ? __lock_is_held+0xb5/0x140
[  342.897312]  __alloc_pages_nodemask+0xa80/0xde0
[  342.901972]  ? zap_class+0x640/0x640
[  342.905680]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  342.910713]  ? find_held_lock+0x36/0x1c0
[  342.914772]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.919469]  ? lock_downgrade+0x900/0x900
[  342.923631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.929165]  cache_grow_begin+0xa5/0x8c0
[  342.933219]  ? do_raw_spin_unlock+0xa7/0x330
[  342.937638]  fallback_alloc+0x204/0x2e0
[  342.941610]  ____cache_alloc_node+0x1c7/0x1e0
[  342.946134]  kmem_cache_alloc_node+0xe3/0x730
[  342.950672]  ? ipv6_get_ifaddr+0x42e/0x620
[  342.954938]  __alloc_skb+0x119/0x770
[  342.958644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.963921]  ? netdev_alloc_frag+0x1f0/0x1f0
[  342.968355]  ? lock_downgrade+0x900/0x900
[  342.972506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.978036]  ? refcount_sub_and_test_checked+0x203/0x310
[  342.983486]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  342.988934]  ? addrconf_rs_timer+0x690/0x690
[  342.993376]  ndisc_alloc_skb+0x144/0x340
[  342.997436]  ndisc_send_rs+0x331/0x6e0
[  343.001336]  addrconf_rs_timer+0x314/0x690
[  343.005606]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.009844]  call_timer_fn+0x272/0x920
[  343.013737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.017964]  ? process_timeout+0x40/0x40
[  343.022043]  ? mark_held_locks+0xc7/0x130
[  343.026185]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.030675]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.035169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.039426]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.044001]  ? trace_hardirqs_on+0xbd/0x310
[  343.048330]  ? kasan_check_read+0x11/0x20
[  343.052486]  ? __run_timers+0x7da/0xc70
[  343.056456]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.061557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.065800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  343.070028]  __run_timers+0x7e5/0xc70
[  343.073847]  ? timer_fixup_init+0x70/0x70
[  343.077995]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  343.083006]  ? zap_class+0x640/0x640
[  343.086721]  ? print_usage_bug+0xc0/0xc0
[  343.090778]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  343.095985]  ? find_held_lock+0x36/0x1c0
[  343.100042]  ? zap_class+0x640/0x640
[  343.103754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.109286]  ? check_preemption_disabled+0x48/0x280
[  343.114334]  ? __lock_is_held+0xb5/0x140
[  343.118392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.124028]  ? check_preemption_disabled+0x48/0x280
[  343.129045]  run_timer_softirq+0x52/0xb0
[  343.133114]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.138156]  __do_softirq+0x308/0xb7e
[  343.141950]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  343.146452]  ? lock_downgrade+0x900/0x900
[  343.150600]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.155705]  ? pvclock_read_flags+0x160/0x160
[  343.160198]  ? lapic_next_event+0x5a/0x90
[  343.164363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.169903]  ? kvm_clock_read+0x18/0x30
[  343.173873]  ? kvm_sched_clock_read+0x9/0x20
[  343.178292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.183825]  ? check_preemption_disabled+0x48/0x280
[  343.188862]  irq_exit+0x17f/0x1c0
[  343.192347]  smp_apic_timer_interrupt+0x1cb/0x760
[  343.197191]  ? smp_reschedule_interrupt+0x109/0x650
[  343.202206]  ? smp_call_function_single_interrupt+0x650/0x650
[  343.208109]  ? interrupt_entry+0xb5/0xc0
[  343.212184]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.217197]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.222210]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.227052]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.232069]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.237120]  ? task_prio+0x50/0x50
[  343.240675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.246225]  ? check_preemption_disabled+0x48/0x280
[  343.251244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.256087]  apic_timer_interrupt+0xf/0x20
[  343.260324]  </IRQ>
[  343.262555] RIP: 0010:dump_stack+0x358/0x39d
[  343.266973] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 21 9e ef f9 48 83 3d c9 c1 7e 01 00 0f 84 63 fe ff ff e8 ce 50 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 bb 50 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  343.285861] RSP: 0000:ffff8801c2f361e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  343.293593] RAX: ffff8801c33d0280 RBX: 1ffffffff12a3f76 RCX: 1ffff1003867a16e
[  343.300869] RDX: 0000000000000000 RSI: ffffffff87d339f2 RDI: 0000000000000293
[  343.308163] RBP: ffff8801c2f36290 R08: ffff8801c33d0b70 R09: 0000000000000006
[  343.315435] R10: 0000000000000000 R11: ffff8801c33d0280 R12: 1ffff100385e6c45
[  343.323142] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  343.330433]  ? dump_stack+0x34f/0x39d
[  343.334238]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.339425]  ? mark_held_locks+0x130/0x130
[  343.343683]  ? mark_held_locks+0x130/0x130
[  343.347922]  dump_header+0x27b/0xf72
[  343.351646]  ? pagefault_out_of_memory+0x197/0x197
[  343.356600]  ? __lock_acquire+0x62f/0x4c20
[  343.360864]  ? percpu_ref_get_many+0x240/0x240
[  343.365446]  ? print_usage_bug+0xc0/0xc0
[  343.369524]  ? zap_class+0x640/0x640
[  343.373262]  ? print_usage_bug+0xc0/0xc0